283 (number)
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Cardinal | two hundred eighty-three | |||
Ordinal | 283rd (two hundred eighty-third) | |||
Factorization | prime | |||
Prime | 61st | |||
Divisors | 1, 283 | |||
Greek numeral | ΣΠΓ´ | |||
Roman numeral | CCLXXXIII, cclxxxiii | |||
Binary | 1000110112 | |||
Ternary | 1011113 | |||
Senary | 11516 | |||
Octal | 4338 | |||
Duodecimal | 1B712 | |||
Hexadecimal | 11B16 |
283 is the natural number following 282 and preceding 284.
In mathematics
[edit]- 283 is an odd prime number,[1] a twin prime with 281, and a super prime, meaning that it is the nth prime where n is a prime number as well.[2]
- 283 is a strictly non palindromic number. That means that between base 2 and base n-2, that number is never palindromic.[3]
- 283 is a number such that 4283-3283 is prime.[4]
- 283 is equivalent to 25+8+35.
References
[edit]- ^ "Prime numbers". mathworld.wolfram.com.
- ^ Sloane, N. J. A. (ed.). "Sequence A006450 (Prime-indexed primes: primes with prime subscripts)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A016038 (Strictly non-palindromic numbers: n is not palindromic in any base b where 2 <= b <= n-2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A059801 (Numbers k where 4^k-3^k is prime)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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