264 (number)
| ||||
|---|---|---|---|---|
| Cardinal | two hundred sixty-four | |||
| Ordinal | 264th (two hundred sixty-fourth) | |||
| Factorization | 23 × 3 × 11 | |||
| Divisors | 1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264 | |||
| Greek numeral | ΣΞΔ´ | |||
| Roman numeral | CCLXIV | |||
| Binary | 1000010002 | |||
| Ternary | 1002103 | |||
| Senary | 11206 | |||
| Octal | 4108 | |||
| Duodecimal | 1A012 | |||
| Hexadecimal | 10816 | |||
264 (two hundred [and] sixty-four) is the natural number following 263 and preceding 265.
In mathematics
[edit]264 is an even composite number[1] with three distinct prime factors (23 × 3 × 11).[2] 264 is a Harshad number in base ten,[3] also divisible by each of its digits.
264 is the sum of all even composite numbers that are not the sum of two abundant numbers (not necessarily distinct): 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 26 + 28 + 34 + 46.[4] The only other even number that is not the sum of two abundant numbers is the only even prime number, 2.
In technology
[edit]Other fields
[edit]- The calendar years 264 AD and 264 BC
- The longest someone has gone without sleeping is 264 hours.[8]
- NGC 264, a lenticular galaxy[9]
References
[edit]- ^ Weisstein, Eric W. "Composite Number". mathworld.wolfram.com.
- ^ "Number 264 - Facts about the integer". Numbermatics.
- ^ "About The Number 264". June 12, 2023.
- ^ Sloane, N. J. A. (ed.). "Sequence A048242 (Numbers that are not the sum of two abundant numbers (not necessarily distinct).)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2024-07-26.
- ^ "What is H.264? | Advanced Video Coding (AVC) | Cloudflare".
- ^ "Phone Codes for Namibia - Full list of Namibia dialling codes". www.rebtel.com.
- ^ "Number 264". The encyclopedia of numbers.
- ^ "A Man Stayed Awake for 264 Hours and Set a Sleep Deprivation Record". Men's Health. March 27, 2021.
- ^ Guide, Universe. "NGC 264 Galaxy (NGC 264) Facts - Universe Guide". www.universeguide.com.