83 | 80 | 3 |
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83 (eighty-three) is the natural number following 82 and preceding 84.
83 | |
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Cardinal | eighty-three |
Ordinal | 83rd (eighty-third) |
Numeral system | 83 |
Factorization | prime |
Prime | 23rd |
Divisors | 1, 83 |
Roman numeral | LXXXIII |
Binary | 10100112 |
Octal | 1238 |
Duodecimal | 6B12 |
Hexadecimal | 5316 |
Contents |
Eighty-three is the sum of three consecutive primes (23 + 29 + 31) as well as the sum of five consecutive primes (11 + 13 + 17 + 19 + 23).
It is also the 23rd prime number, following 79 and preceding 89. 83 is a Sophie Germain prime and a safe prime, and also a Chen prime. It is an Eisenstein prime with no imaginary part and real part of the form .
It is also a highly cototient number.
Eighty-three is also: