Properties of the Number -83581

Eighty-Three Thousand Five Hundred Eighty-One

Basics

Value: -83582 → -83581 → -83580

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 19 × 53 × 83

Divisors: 1, 19, 53, 83, 1007, 1577, 4399, 83581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -10100011001111101

Octal: -243175

Duodecimal: -40451

Hexadecimal: -1467d

Square: 6985783561

Square Root: 289.10378759193037

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 double-step spiral chain of n hexagons (n>=2, s=21; see the Gutman et al. reference). A193397

Floor(exp(n)/n²). A132405