Properties of the Number 51545

Fifty-One Thousand Five Hundred Forty-Five

Basics

Value: 51544 → 51545 → 51546

Parity: odd

Prime: No

Previous Prime: 51539

Next Prime: 51551

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 13 ² × 61

Divisors: 1, 5, 13, 61, 65, 169, 305, 793, 845, 3965

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100101011001

Octal: 144531

Duodecimal: 259B5

Hexadecimal: c959

Square: 2656887025

Square Root: 227.03523955544875

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

Number of length 6 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than n. A204214

Second unsigned column of triangle A051339. A51545

G.f. A(x) satisfies: 0 = [xⁿ] (1+x)^n*(n+1/2) / A(x) for n>0. A304185