Properties of the Number 61224

Sixty-One Thousand Two Hundred Twenty-Four

Basics

Value: 61223 → 61224 → 61225

Parity: even

Prime: No

Previous Prime: 61223

Next Prime: 61231

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 2551

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 2551, 5102

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111100101000

Octal: 167450

Duodecimal: 2B520

Hexadecimal: ef28

Square: 3748378176

Square Root: 247.43483990739864

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

Sum over all partitions of n of the GCD of the number of parts and the number of distinct parts. A339312

Number of length n+2 0..2 arrays with at most one downstep in every n consecutive neighbor pairs. A255109

A recursion triangle sequence based on the Eulerian numbers: A(n,k)=n·A(n-1,k-1)+k·Eulerian(n-1,k). A157743

a(n) = n² + (n + 1)³ + (n + 2)⁴ + (n + 3)⁵. A61224