Properties of the Number -131258

One Hundred Thirty-One Thousand Two Hundred Fifty-Eight

Basics

Value: -131259 → -131258 → -131257

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 65629

Divisors: 1, 2, 65629, 131258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000000010111010

Octal: -400272

Duodecimal: -63B62

Hexadecimal: -200ba

Square: 17228662564

Square Root: 362.295459535446

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

Number of rooted trees with n nodes in which all positive outdegrees are the same. A298422

a(0)=a(1)=0, a(2)=2; for n >= 3, a(n) = a(n-1) + 4·a(n-3). A122946