Index section ·one family plate
Culture
Halls, stages, and the public life of a number.

PhotoAndrew BrownCC BY 2.0
One plate, many entries
- 4242 attractor
Aperture, not magnet of destiny. The looking gathers; the integer does not compel.
- 42 s42 Seconds
Play, labeled play. A constraint, not a measurement of the world.
- 4242 Wallaby Way
Dory has to remember an address. P. Sherman, 42 Wallaby Way, Sydney. There is no Wallaby Way in the Sydney gazetteer. P. Sherman is a fisherman pun. The integer is the plot. A child can hold that. An adult can check the map and find it empty.
- 42°42° Light
Play built on a measured 42°. The measurement is the rainbow object; this is the game.
- 420420 Starlink
“There are now 420 operational Starlink satellites.” A count that was true that day, written as 420.
- 420 digits420-digit prime
Elon posted a picture of digits arranged as a Grok G, and called it a prime with 420 digits. The 420 is the written count. The integer lives in the image.
- 4242nd Street
A street numbered forty-two. Then a film. Then a musical. Count by title.
- 69 d69 days after 4/20
He said it on 4/20 itself, 20 April 2020, 20:39 UTC. Still can’t believe I was born 69 days after 4/20. He said it again on 8 January 2024. The arithmetic holds. 20 April plus 69 days is 28 June.
- 69.420%69.420% of statistics
Play, labeled play. 69 and 420 in one percent.
- 42 · 420 · 4°20′Book spines
These are rooms, not reprints. Same 42 can sit on more than one plate; the home is kept.
- noneC. S. Lewis
A keeper of long memory beside the Lineage. Fairy tales, not a hidden 42.
- 42Coldplay · 42
A screen label. Count by title. Not a bar-count of 42.
- 42Doctor Who · 42
The episode is called 42. The crew have forty-two minutes before the ship hits the star. The story is set in the forty-second century. Three writings of one integer, in one hour of television. Chris Chibnall wrote it. Whether Adams sat in the writers’ room is reception, not the object.
- 42Douglas Adams element
A JPL scientist named the metal after the joke. “We call molybdenum the Douglas Adams element.” Then: “Forty-two may in fact be one answer to the ultimate question of life.” NASA/JPL printed that. We did not add the Adams link later.
- 42Earth-42
A catalogue seat in a published multiverse. Count by title.
- YesEaster · Yes
Easter Sunday 2020. At 07:34 UTC he answered Yes. That afternoon: Happy Easter. Follow the 🐇. The parent of Yes was not recovered this sitting. The hour is public.
- 42École 42
A school called 42. Paris, 2013. No tuition, no diploma required. Xavier Niel named it for the Answer in Adams. Reception, not an independent recurrence. The integer was chosen because the joke was already famous.
- 42Expedition 42
NASA numbered a station crew forty-two. Then they drew it. Feathered array = 4. Full arrays = II. Six stars for six people. Sequential expeditions must hit 42. The drawing is extra.
- 42-AForm 42-A
An authored bureaucratic mask for questions. Play, labeled play.
- 4.2Foundations of 4.2
“The foundations of 4.2 are such that it is able to improve every week.” Version name, not 42, not 420.
- 11.420FSD 11.420
A version name. Family 420, not 42, not 4.2.
- 42Games of 42
42 Seconds, 42° Light, Filed Under 42, Milliways, the fractal 24°/42° tree. Play is labeled play.
- 42Generator tone 42
A named tone in a published system the Book keeps on the psychoid shelf.
- 4.20Grok 4.20
A product version written 4.20. Family is 420, not 42, not 4°20′.
- 4/20Inevitably 4/20
A calendar joke on a regulatory date. Family 4/20.
- 420 + 69Inflation 420
Play, labeled play. 420 and 69 as public joke-arithmetic.
- 42Jackie Robinson
He wore 42 from 15 April 1947. On 15 April 1997 the league retired that number everywhere. Assignment was a roster. Retirement is the civic act. Since 2009, Jackie Robinson Day puts 42 on every back.
- 4/20Legacy checks 4/20
A calendar pin chosen in public. Family 4/20, not 42.
- 42Level 42
A public name. Count by title. Soft bar-counts stay off the spine.
- 42Lost · 42
A screen label in a public series. One of six numbers. Count by title.
- 4/20Lucky or unlucky
I’m not sure whether that number is lucky or unlucky. Elon Musk · 9 April 2020 · 1:22 a.m. The prior remark named 4/20. Eleven days later, on 4/20 itself, he wrote that he still couldn’t believe he was born sixty-nine days after it.
- p. 42Maye p. 42
A page number on a public book.
- $69,420Model S $69,420
A dated price joke. 69 and 420 sit together; neither is 42.
- 42Number as archetype
Living. Number as image and event. §420 remains the hinge. This is the choir, not a second paragraph.
- 420 miPlaid 420 miles
He said 412, then “420 give or take. That joke will never end.” EPA did not certify 420.
- 13Poe · thirteen
Thirteen is not forty-two. A miss stays visible.
- $419.99SpaceX $419.99
CNBC: SpaceX raised at $419.99 a share, one cent under $420. The round is the object. The cent is the gap.
- 4/20Starship 4/20
IFT-1 lifted at 8:33:09 a.m. CT on 20 April 2023, 13:33:09 UTC. The calendar is 4/20. Moon printed 4°20′ Taurus at 12:05 UT, 07:05 Austin. Eighty-eight minutes before liftoff. SpaceX and Reuters keep the day.
- 4°20′Starship Flight 12 · Venus 4°20′
Flight 12 lifted 22 May 2026 at 22:30 UTC, 17:30 Austin. That morning Venus printed 4°20′ Cancer at 16:14 UT, 11:14 Austin. Love’s planet on the Cancer family. Slower than the Moon. Wikipedia keeps 22:30:00.
- 4°20′Starship Flight 13 · Neptune · Pluto
Flight 13 lifted 24 July 2026 at 22:51 UTC, 17:51 Austin. Wikipedia keeps 22:51:00. That night Pluto prints 4°20′ Aquarius Rx at 06:01 UT, Neptune 4°20′ Aries Rx at 06:52 UT, both 25 July. Slow bodies. Already on the launch chart to the minute of arc. A sextile of two 4°20′ prints.
- 42Starship stack 42
“The Starship V4 ship will have 3 more vacuum engines, making the total stack engine count 42, as foretold in the prophecy.” Super Heavy 33 + ship 9 = 42 in that design.
- loopStrange loop
A named frame. The 42 attractor is the Book’s door. This is not a laboratory of loops.
- STS-42STS-42
A shuttle number. Discovery, 22 January 1992. First International Microgravity Laboratory. Sequential flight numbers contain 42. Not a measurement.
- 420Ten times better than 42
A public sentence on X. Arithmetic is true (10 × 42 = 420). Authorship is Elon's; meaning is not ours to assign.
- TeslaTesla
The car company. Incorporated 1 July 2003. The 420s hang from it: a private-take price, a Model S joke, a Plaid range spoken aloud, an FSD version, a September print near four hundred twenty. Mercury printed 4°20′ Cancer that first morning. Tesla is not 42.
- $420Tesla $420
“Am considering taking Tesla private at $420. Funding secured.” Later testimony: 20% premium rounded up; “420 was not chosen because of a joke.”
- 42The 42 Lineage
A game-that-is-a-walk: hymns, confessions, chapters, names. Culture, not a tour of coincidences.
- 4°20′The Hitchhiker pilot
The radio pilot was produced on 28 June 1977. That is Elon Musk’s birthday. Twenty April plus 69 days is 28 June. He said so in public. Mercury prints 4°20′ Cancer on the same civil day. Three true things. Noticed together afterward.
- 4°20′The Notebook
She loved The Notebook. It opened wide 25 June 2004. That afternoon the Sun prints 4°20′ Cancer at 13:58 UT. Seattle had it first, 20 May. The 4°20′ belongs to the wide day.
- noneTolkien
Bilbo’s Ring is about sixty years. Frodo’s gap is seventeen. Tolkien sits beside the strip as a keeper of long memory, not as forced 42-math.
- 42Tower 42
London’s first City skyscraper. Seifert designed it for NatWest. It opened in 1980, the Queen in 1981. Later the building was named Tower 42. The integer is the public name. Published notes give 47 levels above ground, 42 of them cantilevered in three leaves.
- 4°20′True Romance
Just rewatched True Romance ♥️ — Elon Musk · 29 January 2022. The film opened wide 10 September 1993. Moon entered Cancer 07:37 UT that morning. A 16:00 UT chart prints 4°34′. Four degrees twenty sits that afternoon. Los Angeles premiere was two days earlier, 8 September, Moon still in Gemini.
- 69 → 420TSLA up $69 to ~$420
A dated public line. Sixty-nine dollars of move, a price near four hundred twenty. Play on the same two integers. Not the Moon ratio. Not 69 days after 4/20.
- $54.20Twitter $54.20
Fifty-four twenty writes 420 in the cents. Reuters noted the cannabis digits; Wikipedia records the offer.
- 7+12+23 = 42xAI day digits
On 12 July 2023 he announced xAI and posted the sum himself: 7 + 12 + 23 = 42. Adams is named in the same breath. Digit play, authored in public.
- 42Yakudoshi 42
In Japan a man’s forty-second year is widely kept as a year of special caution. Traditional counting starts at one at birth and adds a year at New Year, so it is not always Gregorian age 42. A folk reading of 四二 as shi-ni, to death, is real Japanese sound-play. Whether the pun made the custom, or was later attached, is disputed.