Properties of the Number -42639

Forty-Two Thousand Six Hundred Thirty-Nine

Basics

Value: -42640 → -42639 → -42638

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 61 × 233

Divisors: 1, 3, 61, 183, 233, 699, 14213, 42639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1010011010001111

Octal: -123217

Duodecimal: -20813

Hexadecimal: -a68f

Square: 1818084321

Square Root: 206.49213060065995

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

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 41 ones. A31809

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 497", based on the 5-celled von Neumann neighborhood. A272558