Properties of the Number 42258

Forty-Two Thousand Two Hundred Fifty-Eight

Basics

Value: 42257 → 42258 → 42259

Parity: even

Prime: No

Previous Prime: 42257

Next Prime: 42281

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7043

Divisors: 1, 2, 3, 6, 7043, 14086, 21129, 42258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010010100010010

Octal: 122422

Duodecimal: 20556

Hexadecimal: a512

Square: 1785738564

Square Root: 205.56750716005678

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 k and k+1 are both binary Moran numbers (A334344). A334345

Number of n-colorings of the Desargues graph. A157959

Abs(square of n-th prime minus cube of n-1). A151911

Duchon's numbers: the number of paths of length 5·n from the origin to the line y = 2·x/3 with unit East and North steps that stay below the line or touch it. A60941

Numerators of continued fraction convergents to sqrt(655). A42258

Numerator of squared radius of inscribed circle of the n-th triangle with integer sides in the list given by A316841. Denominators are A331258. A331257