Properties of the Number 42752

Forty-Two Thousand Seven Hundred Fifty-Two

Basics

Value: 42751 → 42752 → 42753

Parity: even

Prime: No

Previous Prime: 42751

Next Prime: 42767

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁸ × 167

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 167, 256

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011100000000

Octal: 123400

Duodecimal: 208A8

Hexadecimal: a700

Square: 1827733504

Square Root: 206.76556773312137

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

Expansion of 1/sqrt(1-4x-8x²-24x³+36x⁴). A108490

Numbers k such that k*(k+9) gives the concatenation of two numbers m and m-9. A116231

Triangle T(n,k) of number of labeled directed multigraphs (with loops), without isolated vertices, with n arrows and k vertices (n = 1,2,.., k = 1..2·n). A120945

a(n) is the smallest composite number having the same base-n digits (both type and quantity) as the primes and greater-than-one exponents in its factorization. A281335

Accumulation triangle of A360603 read by rows. A360860

Numerators of continued fraction convergents to sqrt(907). A42752

Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00001001 or 00100101. A260979