67 (number)
| ||||
|---|---|---|---|---|
| Cardinal | sixty-seven | |||
| Ordinal | 67th (sixty-seventh) | |||
| Factorization | prime | |||
| Greek numeral | ΞΖ´ | |||
| Roman numeral | LXVII | |||
| Binary | 10000112 | |||
| Ternary | 21113 | |||
| Quaternary | 10034 | |||
| Quinary | 2325 | |||
| Senary | 1516 | |||
| Octal | 1038 | |||
| Duodecimal | 5712 | |||
| Hexadecimal | 4316 | |||
| Vigesimal | 3720 | |||
| Base 36 | 1V36 | |||
Sixty-seven is a number. It comes between sixty-six and sixty-eight, and is an odd number. It is also a prime number. The 19th prime number more specifically and is the closest answer to ⅔ of 100, as a prime number, its only factors are 1 and itself (67). The number is a Chen prime since 67+2=69, and 69 is the product of 2 prime numbers (3 and 23).[1] In 2025 it became a part of the 6-7 meme following its inclusion in a Skrilla song, "Doot Doot (6 7)".[2] The number was removed from In-N-Out's ordering system due to the meme.[3]
References
[change | change source]- ↑ Pant, Anoushka (Feb 11, 2026). "67: More Than Just Slang". Encyclopædia Britannica.
- ↑ Kaur, Dina. "What does '67' mean? Here's what to know about new viral TikTok slang". The Arizona Republic. Retrieved 2026-03-17.
- ↑ "In-N-Out removes '67' from its ordering system after viral '6-7' meme". 2025-12-09. Retrieved 2026-03-17.
