Properties of the Number -42690

Forty-Two Thousand Six Hundred Ninety

Basics

Value: -42691 → -42690 → -42689

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 1423

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 1423, 2846

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011011000010

Octal: -123302

Duodecimal: -20856

Hexadecimal: -a6c2

Square: 1822436100

Square Root: 206.61558508495918

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 2·k+1, 4·k+1, 8·k+1 and 16·k+1 are primes. A124412

G.f. A(x) satisfies 1 = ∑_n=-oo..+oo x^2·n * (xⁿ - A(x))^3·n+1. A380677

Row sums of triangle A059037. A59040

Numbers which have more different digits than their cubes. A61374