Properties of the Number -131918

One Hundred Thirty-One Thousand Nine Hundred Eighteen

Basics

Value: -131919 → -131918 → -131917

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 71 × 929

Divisors: 1, 2, 71, 142, 929, 1858, 65959, 131918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100000001101001110

Octal: -401516

Duodecimal: -64412

Hexadecimal: -2034e

Square: 17402358724

Square Root: 363.20517617456943

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors. A205281

1/4 the number of (n+1) X 8 binary arrays with all 2 X 2 subblock sums the same. A183984

Number of (n+1)X3 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors. A205278

Number of 3X(n+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors. A205282