Properties of the Number 51399

Fifty-One Thousand Three Hundred Ninety-Nine

Basics

Value: 51398 → 51399 → 51400

Parity: odd

Prime: No

Previous Prime: 51383

Next Prime: 51407

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5711

Divisors: 1, 3, 9, 5711, 17133, 51399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100100011000111

Octal: 144307

Duodecimal: 258B3

Hexadecimal: c8c7

Square: 2641857201

Square Root: 226.71347555890893

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

T(n, 2·n-4), T given by A027960. A27966

Number of partitions of n not containing 2*(number of parts) as a part. A238488

exp(arctan(x)+sin(x))=1+2·x+4/2!*x²+5/3!*x³-8/4!*x⁴-63/5!*x⁵... A12973

sinh(arctan(x)+sin(x))=2·x+5/3!*x³-63/5!*x⁵+1087/7!*x⁷... A12978

a(n) = (n-1)!*a(n-1)+1. A51399