Properties of the Number -131165

One Hundred Thirty-One Thousand One Hundred Sixty-Five

Basics

Value: -131166 → -131165 → -131164

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 37 × 709

Divisors: 1, 5, 37, 185, 709, 3545, 26233, 131165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100000000001011101

Octal: -400135

Duodecimal: -63AA5

Hexadecimal: -2005d

Square: 17204257225

Square Root: 362.1670885102621

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 (2+1) X (n+1) arrays of permutations of 0..n·3+2 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0. A264491

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 65. A31653