Properties of the Number 51191

Fifty-One Thousand One Hundred Ninety-One

Basics

Value: 51190 → 51191 → 51192

Parity: odd

Prime: No

Previous Prime: 51169

Next Prime: 51193

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 71 × 103

Divisors: 1, 7, 71, 103, 497, 721, 7313, 51191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011111110111

Octal: 143767

Duodecimal: 2575B

Hexadecimal: c7f7

Square: 2620518481

Square Root: 226.25428172744046

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

Numbers k such that the decimal part of k^1/10 starts with a 'nine digits' anagram. A34285

Number of (n+1) X (4+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically. A253393

a(n) = 2^2ⁿ-2. A51191