Properties of the Number -129020

One Hundred Twenty-Nine Thousand Twenty

Basics

Value: -129021 → -129020 → -129019

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 6451

Divisors: 1, 2, 4, 5, 10, 20, 6451, 12902, 25804, 32255

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11111011111111100

Octal: -373774

Duodecimal: -627B8

Hexadecimal: -1f7fc

Square: 16646160400

Square Root: 359.19354114460356

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

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 291", based on the 5-celled von Neumann neighborhood. A287501

Counts where both the odd composites (starting from 1) 1 mod 4 and 3 mod 4 are equal. A93182