Properties of the Number 42055

Forty-Two Thousand Fifty-Five

Basics

Value: 42054 → 42055 → 42056

Parity: odd

Prime: No

Previous Prime: 42043

Next Prime: 42061

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 13 × 647

Divisors: 1, 5, 13, 65, 647, 3235, 8411, 42055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

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Representations

Binary: 1010010001000111

Octal: 122107

Duodecimal: 20407

Hexadecimal: a447

Square: 1768623025

Square Root: 205.07315767793696

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 essentially different semi-magic squares of order 3 with semimagic sum n. A122751

Numbers n such that 36n+11, 36(n+1)+11, 36(n+2)+11 and 36(n+3)+11 are prime. A255608

Heptagonal numbers which are products of three distinct primes. A356422

Denominators of continued fraction convergents to sqrt(551). A42055