Properties of the Number -131201

One Hundred Thirty-One Thousand Two Hundred One

Basics

Value: -131202 → -131201 → -131200

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 7 × 18743

Divisors: 1, 7, 18743, 131201

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100000000010000001

Octal: -400201

Duodecimal: -63B15

Hexadecimal: -20081

Square: 17213702401

Square Root: 362.2167859169423

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

Numbers k > 1 such that, in base 8, k and k² contain the same digits in the same proportion. A61662

Sums of three Mersenne primes. A174055

Number of slanted 2 X n (i=1..2) X (j=i..n+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 3 neighbors with the same value. A165394

Bitmaps of king + rook vs. king checkmate patterns on a standard 8 X 8 board. A362950