Properties of the Number 56999

Fifty-Six Thousand Nine Hundred Ninety-Nine

Basics

Value: 56998 → 56999 → 57000

Parity: odd

Prime: Yes

Previous Prime: 56993

Next Prime: 57037

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 56999

Divisors: 1, 56999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010100111

Octal: 157247

Duodecimal: 28B9B

Hexadecimal: dea7

Square: 3248886001

Square Root: 238.7446334475395

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Primes having only {5, 6, 9} as digits. A385797

Primes p such that q - p = 38, where q is the next prime after p. A134118

Primes containing 999 as a substring. A167292

If a,b are prime numbers satisfying the Diophantine equation a³+b³=c², then a is -1 mod 12 and b is 1 mod 12, or vice versa. Choose 'a' to be -1 mod 12. This is the sequence of 'a' values, sorted by the magnitude of c. A99806

Primes with digit sum = 38. A106772

Least prime, p, such that p mod (sum of the digits of p) = n. A138792

a(n) = prime that is eventually reached when x -> σ(x)-1 is repeatedly applied to 2ⁿ-1, or -1 if no prime is ever reached. A291776

Values of q in A145767. A145798

Primes that end in 999. A230202

Primes having only {0, 5, 6, 9} as digits. A386078