304 (number)
From HandWiki
Short description: Natural number
| ||||
---|---|---|---|---|
Cardinal | three hundred four | |||
Ordinal | 304th (three hundred fourth) | |||
Factorization | 24 × 19 | |||
Divisors | 1, 2, 4, 8, 16, 19, 38, 76, 152, 304 | |||
Greek numeral | ΤΔ´ | |||
Roman numeral | CCCIV | |||
Binary | 1001100002 | |||
Ternary | 1020213 | |||
Quaternary | 103004 | |||
Quinary | 22045 | |||
Senary | 12246 | |||
Octal | 4608 | |||
Duodecimal | 21412 | |||
Hexadecimal | 13016 | |||
Vigesimal | F420 | |||
Base 36 | 8G36 |
304 is the natural number following 303 and preceding 305.
In mathematics
- 304 is an even composite number with two prime factor.[1]
- 304 is the sum of consecutive primes in two different ways. It is the sum of 41+43+47+53+59+61 and of 23+29+31+37+41+43+47+53.
- 304 is a primitive semiperfect number meaning that it is a semiperfect number that is not divisible by any other semiperfect number.[2]
- 304 is an untouchable number meaning that it is not equal to the sum of any number’s proper divisors.[3]
- 304 is a nontotient number meaning that it is an even number where phi(x) cannot result in that number.[4]
References
- ↑ "Facts about the integer". https://mathworld.wolfram.com/CompositeNumber.html.
- ↑ Sloane, N. J. A., ed. "Sequence A006036 (Primitive pseudoperfect numbers)". OEIS Foundation. https://oeis.org/A006036.
- ↑ Sloane, N. J. A., ed. "Sequence A005114 (Untouchable numbers, also called non aliquot numbers: impossible values for the sum of aliquot parts function (A001065))". OEIS Foundation. https://oeis.org/A005114.
- ↑ Sloane, N. J. A., ed. "Sequence A005277". OEIS Foundation. https://oeis.org/A005277.
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Original source: https://en.wikipedia.org/wiki/304 (number).
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