Properties of the Number -129581

One Hundred Twenty-Nine Thousand Five Hundred Eighty-One

Basics

Value: -129582 → -129581 → -129580

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 129581

Divisors: 1, 129581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111101000101101

Octal: -375055

Duodecimal: -62BA5

Hexadecimal: -1fa2d

Square: 16791235561

Square Root: 359.97361014385484

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

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d = 2, 4 or 6) and forming d-pattern=[6,2,4]; short d-string notation of pattern = [624]. A78853

a(n) is the least prime p such that (p²-2·n)/(2·n-1) and (p²+2·n)/(2·n+1) are both prime, or 0 if such p does not exist. A344463

Primes p such that q² - p² + 1 is the square of a composite number where p and q are consecutive primes. A316934