Properties of the Number 70642

Seventy Thousand Six Hundred Forty-Two

Basics

Value: 70641 → 70642 → 70643

Parity: even

Prime: No

Previous Prime: 70639

Next Prime: 70657

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 13 ² × 19

Divisors: 1, 2, 11, 13, 19, 22, 26, 38, 143, 169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001001111110010

Octal: 211762

Duodecimal: 34A6A

Hexadecimal: 113f2

Square: 4990292164

Square Root: 265.78562790339134

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

Numbers n such that { x +- 2^k : 0 < k < 4 } are primes, where x = 210·n - 105. A61671

Number of partitions of n into parts not of the form 25k, 25k+12 or 25k-12. Also number of partitions with at most 11 parts of size 1 and differences between parts at distance 11 are greater than 1. A36011

a(n) = n⁶ mod 19. A70642