Properties of the Number 68716

Sixty-Eight Thousand Seven Hundred Sixteen

Basics

Value: 68715 → 68716 → 68717

Parity: even

Prime: No

Previous Prime: 68713

Next Prime: 68729

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 41 × 419

Divisors: 1, 2, 4, 41, 82, 164, 419, 838, 1676, 17179

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10000110001101100

Octal: 206154

Duodecimal: 33924

Hexadecimal: 10c6c

Square: 4721888656

Square Root: 262.1373685684664

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

Length of n-th iterate of the mapping 00->0010, 01->001, 10->000, starting with 00. A288996

Start with 1 and repeatedly reverse the digits and add 55 to get the next term. A118161

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (1, 0, 1), (1, 1, -1), (1, 1, 0)}. A150826

a(n) = 1 if x² + 1 = n·y² has infinitely many solutions in integers (x,y), otherwise a(n) = 0. A68716