Properties of the Number 42761

Forty-Two Thousand Seven Hundred Sixty-One

Basics

Value: 42760 → 42761 → 42762

Parity: odd

Prime: No

Previous Prime: 42751

Next Prime: 42767

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 61 × 701

Divisors: 1, 61, 701, 42761

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011100001001

Octal: 123411

Duodecimal: 208B5

Hexadecimal: a709

Square: 1828503121

Square Root: 206.7873303662485

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

G.f.: x²*(x² + x + 1)/(x⁴ - 2·x + 1). A27084

Let f(n) = exp(π*sqrt(n)); sequence gives numbers n such that f(n) - floor(f(n)) < 1/10³. A127028

Expansion of 1/((1-8·x)*(1-11·x)). A16187

E.g.f.: Integral exp(-x·tanh(x)) / cosh(x) dx. A354020

Strong pseudoprimes to base 98. A20324

Denominators of continued fraction convergents to sqrt(911). A42761