Properties of the Number 51499

Fifty-One Thousand Four Hundred Ninety-Nine

Basics

Value: 51498 → 51499 → 51500

Parity: odd

Prime: No

Previous Prime: 51487

Next Prime: 51503

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 ² × 1051

Divisors: 1, 7, 49, 1051, 7357, 51499

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100100101011

Octal: 144453

Duodecimal: 25977

Hexadecimal: c92b

Square: 2652147001

Square Root: 226.9339110842626

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

d(n,s) = number of perfect matchings on {1, 2, ..., n} with s short pairs. A79267

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0. A266994

Number of maximal matchings in the n-path complement graph. A302749

Number of partitions into pairs. A6198

Number of maximum matchings in the n-path complement graph. A302750

Number of nX2 arrays containing 2 copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0. A266992

Nearest integer to tan(n)³. A51499