Properties of the Number 51375

Fifty-One Thousand Three Hundred Seventy-Five

Basics

Value: 51374 → 51375 → 51376

Parity: odd

Prime: No

Previous Prime: 51361

Next Prime: 51383

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ³ × 137

Divisors: 1, 3, 5, 15, 25, 75, 125, 137, 375, 411

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100010101111

Octal: 144257

Duodecimal: 25893

Hexadecimal: c8af

Square: 2639390625

Square Root: 226.66053913286274

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

Visible factor numbers (VFNs): composite numbers k with the property that every prime factor of k can be found in the decimal expansion of k and every digit of k can be covered by a prime factor. A83359

Conceited Numbers: Composite numbers that are a concatenation of their distinct prime factors with multiplicity in some order allowing overlap. A324257

a(n) = 76·n² - 1. A158765

Numbers not ending in 0 which are the product of two substrings of themselves. The substrings may be equal, but each must be greater than 1. A66217

Numbers k which when sandwiched between two 5's give a multiple of k. A116440

Number of Boolean functions of n variables and rank 3 from Post class F(5,inf). A51375

∑_{k = 0..n} C(n, k)²*C(n+k, n)*C(n+2·k, n). A98274