Properties of the Number 42356

Forty-Two Thousand Three Hundred Fifty-Six

Basics

Value: 42355 → 42356 → 42357

Parity: even

Prime: No

Previous Prime: 42349

Next Prime: 42359

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 10589

Divisors: 1, 2, 4, 10589, 21178, 42356

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101110100

Octal: 122564

Duodecimal: 20618

Hexadecimal: a574

Square: 1794030736

Square Root: 205.80573364218986

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

First column of A078939, the fourth power of lower triangular matrix A056857. A78944

Fourth power of lower triangular matrix of A056857 (successive equalities in set partitions of n). A78939

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals upwards, where the e.g.f. of column k is exp(k*(e^x-1)). A189233

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of e.g.f. exp(k*(exp(x) - 1)). A292860

Triangle read by rows. T(n, k) = BellPolynomial(n, k). A350256

Number of 3-regular (trivalent) labeled graphs on 2n vertices with multiple edges and loops allowed. A5814

Numerators of continued fraction convergents to sqrt(705). A42356