Properties of the Number 42712

Forty-Two Thousand Seven Hundred Twelve

Basics

Value: 42711 → 42712 → 42713

Parity: even

Prime: No

Previous Prime: 42709

Next Prime: 42719

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 19 × 281

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 281, 562

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011011011000

Octal: 123330

Duodecimal: 20874

Hexadecimal: a6d8

Square: 1824314944

Square Root: 206.66881719311212

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

Convolution of Catalan numbers and powers of 2. A14318

T(n,k)=Number of nXk binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally. A188567

Number of rooted trees with n nodes, 2 of which are labeled. A524

Expansion of ((1-4·x) + sqrt(1-4·x))/(2*(1-2·x)). A158495

Number of nX3 binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally. A188561

Number of nX6 binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally. A188564

Number of n X 6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically. A207167

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically. A207169

Numerators of continued fraction convergents to sqrt(886). A42712