Properties of the Number 56905

Fifty-Six Thousand Nine Hundred Five

Basics

Value: 56904 → 56905 → 56906

Parity: odd

Prime: No

Previous Prime: 56897

Next Prime: 56909

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 19 × 599

Divisors: 1, 5, 19, 95, 599, 2995, 11381, 56905

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101111001001001

Octal: 157111

Duodecimal: 28B21

Hexadecimal: de49

Square: 3238179025

Square Root: 238.5476891525047

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 T(n,k) of isoscent sequences of length n with exactly k ascents; triangle T(n,k), n>=0, 0<=k<=n+3-ceiling(2·sqrt(n+2)), read by rows. A242351

Number of isoscent sequences of length n with exactly five ascents. A243231

Primes of the form k² + 5. A56905