📣 Post by futurebird

2024-12-15

What do they have in common?
6, 10, 14, 15, 21, 22, 26, 30, 33, 34, 35, 38, 39 ...

futurebird

https://sauropods.win/@futurebird/113657524382066131

🔄 evan

💬 Replies

2024-12-15 sashin

@futurebird They are all numbers!
None are prime!

2024-12-15 dahukanna

@futurebird
Why? 😉

2024-12-15 llewelly

[guess]

2024-12-15 RnDanger

@futurebird
Hmm...
[…]

2024-12-15 leoparddrengen ┃ 1💬

@futurebird Composite numbers where the prime factors appear only once? I.e 6 because 2x3 are both unique, but not twelve because in 2x2x3 2 appears twice?

2024-12-15 clementd

@futurebird They're not lost numbers, except 15.

2024-12-15 Log3overLog2 ┃ 2🔗

@futurebird I am slightly embarrassed to own up to how anxious I was reading through this sequence of numbers waiting for 30 to either appear or not appear, to disambiguate oeis.org/A006881 vs […]

2024-12-15 ApostateEnglishman

@futurebird They're all composite numbers.

2024-12-15 Jestbill ┃ 1🔗 1💬

@futurebird oeis.org/search?q=6%2C10%2C14%…

2024-12-15 lapis

@futurebird you hear them on numbers stations?

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