Properties of the Number -180661

One Hundred Eighty Thousand Six Hundred Sixty-One

Basics

Value: -180662 → -180661 → -180660

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 ² × 1069

Divisors: 1, 13, 169, 1069, 13897, 180661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101100000110110101

Octal: -540665

Duodecimal: -88671

Hexadecimal: -2c1b5

Square: 32638396921

Square Root: 425.0423508310672

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

Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference). A193391

Number of protruded partitions of n with largest part at most 4. A5405