Properties of the Number 61205

Sixty-One Thousand Two Hundred Five

Basics

Value: 61204 → 61205 → 61206

Parity: odd

Prime: No

Previous Prime: 61169

Next Prime: 61211

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 12241

Divisors: 1, 5, 12241, 61205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111100010101

Octal: 167425

Duodecimal: 2B505

Hexadecimal: ef15

Square: 3746052025

Square Root: 247.39644298170498

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 compositions of n into pairwise relatively prime parts. A101268

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood. A270318

a(n) = n times R(n) where R(n) (A004086) is the digit reversal of n. A61205