Properties of the Number -157661

One Hundred Fifty-Seven Thousand Six Hundred Sixty-One

Basics

Value: -157662 → -157661 → -157660

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 101 × 223

Divisors: 1, 7, 101, 223, 707, 1561, 22523, 157661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100110011111011101

Octal: -463735

Duodecimal: -772A5

Hexadecimal: -267dd

Square: 24856990921

Square Root: 397.0654857828869

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

Number of binary words of length n with autocorrelation function 2^n-1+1. A45691

Numbers n such that (i) number of divisors of n equals number of divisors of digit reversal of n, (ii) sum of divisors of n equals sum of divisors of digit reversal of n, and (iii) n is not a palindrome. A280354

Consecutive states of the linear congruential pseudo-random number generator (3613·s + 45289) mod 214326 when started at s=1. A385363

Expansion of G(1) where G(k) = 1 + q^k / ( 1 - q^k * G(k+2) ). A238434