Properties of the Number 66131

Sixty-Six Thousand One Hundred Thirty-One

Basics

Value: 66130 → 66131 → 66132

Parity: odd

Prime: No

Previous Prime: 66109

Next Prime: 66137

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 13 × 5087

Divisors: 1, 13, 5087, 66131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001001010011

Octal: 201123

Duodecimal: 3232B

Hexadecimal: 10253

Square: 4373309161

Square Root: 257.1594835894644

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

Partial sums of A077482. A174517

Number of positive integers <= 2ⁿ of form 3 x² + 9 y². A54166

T(n,k) = Number of n X k 0..1 arrays with every element equal to 0, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A298917

Numbers that in base 2 need ten 'Reverse and Add' steps to reach a palindrome. A66131

Numbers m such that the squarefree kernel of m is less than the squarefree kernel of m+1. A79709