Properties of the Number 42663

Forty-Two Thousand Six Hundred Sixty-Three

Basics

Value: 42662 → 42663 → 42664

Parity: odd

Prime: No

Previous Prime: 42649

Next Prime: 42667

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 14221

Divisors: 1, 3, 14221, 42663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010100111

Octal: 123247

Duodecimal: 20833

Hexadecimal: a6a7

Square: 1820131569

Square Root: 206.5502360201992

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

Magic sums of 3 X 3 magic squares composed of primes in an arithmetic progression. A269324

a(n) = ∑_k=0..n (-1)^n-k*binomial(n,k)*binomial(2·k,k)². A278934

Number of partitions of n into parts whose bitwise AND equals 0. A307435

Coefficients of a polynomial used in calculation of A055913. A55916

Odd numbers divisible by 3 which are neither of the form p + 3^m + 1 nor of the form p + 3^m - 1 with p prime. A282191

Denominators of continued fraction convergents to sqrt(861). A42663