Properties of the Number 61718

Sixty-One Thousand Seven Hundred Eighteen

Basics

Value: 61717 → 61718 → 61719

Parity: even

Prime: No

Previous Prime: 61717

Next Prime: 61723

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 30859

Divisors: 1, 2, 30859, 61718

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111000100010110

Octal: 170426

Duodecimal: 2B872

Hexadecimal: f116

Square: 3809111524

Square Root: 248.43107696099537

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

Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493

Number of nX4 0..2 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 3. A240035

Powers of fifth root of 11 rounded up. A18146

a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 2 mod 3}. A24399

a(n) = (n*(n+1)/2)ⁿ. A61718