Properties of the Number -157081

One Hundred Fifty-Seven Thousand Eighty-One

Basics

Value: -157082 → -157081 → -157080

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 157081

Divisors: 1, 157081

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100110010110011001

Octal: -462631

Duodecimal: -76AA1

Hexadecimal: -26599

Square: 24674440561

Square Root: 396.3344547222712

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

Primes p such that p*(p-2) divides 2^p-1-1. A81762

Numbers n such that (n-1)²-1 divides 2^n-1-1. A260406

Odd integers k such that 2^(k-1/2) == 1 (mod k*(k-2)). A337846

Primes with 26 as smallest positive primitive root. A61731

Primes p such that p*(p-2) divides 3^p-1-1. A81764

Primes p such that 2p - 1, 3p - 2, (p + 1)/2, and (p + 2)/3 are also prime. A386540

Expansion of 1/((1-3x)(1-6x)(1-10x)(1-12x)). A28087

k-1 for integers k>=4 such that 2^k == 4 (mod k*(k-1)*(k-2)*(k-3)/24). A337859