Properties of the Number 42590

Forty-Two Thousand Five Hundred Ninety

Basics

Value: 42589 → 42590 → 42591

Parity: even

Prime: No

Previous Prime: 42589

Next Prime: 42611

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 4259

Divisors: 1, 2, 5, 10, 4259, 8518, 21295, 42590

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011001011110

Octal: 123136

Duodecimal: 20792

Hexadecimal: a65e

Square: 1813908100

Square Root: 206.3734479045209

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

a(0) = 1, a(n) = 28·n² + 2 for n>0. A10018

Number of n X 2 0..2 arrays with every row and column running average nondecreasing rightwards and downwards. A200528

Expansion of a modular function. A6707

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (1, 0, 1), (1, 1, -1)}. A150576

Numbers k such that ∑_{d∣k, d = 1 or not a perfect power} μ(k/d) is greater than 1 in absolute value. A304369

Numerators of continued fraction convergents to sqrt(154). A41282

Denominators of continued fraction convergents to sqrt(154). A41283

Numerators of continued fraction convergents to sqrt(616). A42182

Denominators of continued fraction convergents to sqrt(616). A42183

Numerators of continued fraction convergents to sqrt(824). A42590