Properties of the Number 42472

Forty-Two Thousand Four Hundred Seventy-Two

Basics

Value: 42471 → 42472 → 42473

Parity: even

Prime: No

Previous Prime: 42467

Next Prime: 42473

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5309

Divisors: 1, 2, 4, 8, 5309, 10618, 21236, 42472

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111101000

Octal: 122750

Duodecimal: 206B4

Hexadecimal: a5e8

Square: 1803870784

Square Root: 206.08736011701444

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

Number of integer partitions of n with no part divisible by all the others. A343341

G.f. satisfies: A(x) = 1/(1 - x·A(x)³/(1 - x²*A(x)³/(1 - x³*A(x)³/(1 - x⁴*A(x)³/(1 - ...))))), a recursive continued fraction. A192730

Numerators of continued fraction convergents to sqrt(764). A42472

The number of labeled graphs on 2n vertices that share the same degree sequence as any unrooted binary tree on 2n vertices. A339987