Properties of the Number -172267

One Hundred Seventy-Two Thousand Two Hundred Sixty-Seven

Basics

Value: -172268 → -172267 → -172266

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 31 × 5557

Divisors: 1, 31, 5557, 172267

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010000011101011

Octal: -520353

Duodecimal: -83837

Hexadecimal: -2a0eb

Square: 29675919289

Square Root: 415.05059932494976

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

a(n) is the number of n-cell polyiamonds (triangular polyominoes) with perimeter n+2. A131481

Inverse Euler transform of 2 - A195981. A206000

a(n) = k is a number such that A007535(k), the smallest pseudoprime to base k ( > k), is the n-th Carmichael number. A293563