Properties of the Number -131337

One Hundred Thirty-One Thousand Three Hundred Thirty-Seven

Basics

Value: -131338 → -131337 → -131336

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 14593

Divisors: 1, 3, 9, 14593, 43779, 131337

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100000000100001001

Octal: -400411

Duodecimal: -64009

Hexadecimal: -20109

Square: 17249407569

Square Root: 362.4044701711059

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

a(n) = ∑_d∣n d·4^d-1. A359186

Square array T(n,k), n>1 and k>1, read by antidiagonals in ascending order, giving the smallest n·k-digit number that, if arranged in an n X k matrix, forms a k-digit emirp (A006567) in each row and an n-digit emirp in each column, or -1 if no such number exists. A375234