Properties of the Number 51605

Fifty-One Thousand Six Hundred Five

Basics

Value: 51604 → 51605 → 51606

Parity: odd

Prime: No

Previous Prime: 51599

Next Prime: 51607

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 10321

Divisors: 1, 5, 10321, 51605

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100110010101

Octal: 144625

Duodecimal: 25A45

Hexadecimal: c995

Square: 2663076025

Square Root: 227.16733920174352

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

Convolution of A001950 with itself. A23667

a(n) = (3·n+5)!!!/5!!!. A51605

Expansion of g.f. A(x) satisfying A( x*(1 + 2·x)*A(x) )³ = A( x²*(1 + 3·x)*A(x) )². A370437