Properties of the Number 66917

Sixty-Six Thousand Nine Hundred Seventeen

Basics

Value: 66916 → 66917 → 66918

Parity: odd

Prime: No

Previous Prime: 66889

Next Prime: 66919

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 61 × 1097

Divisors: 1, 61, 1097, 66917

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010101100101

Octal: 202545

Duodecimal: 32885

Hexadecimal: 10565

Square: 4477884889

Square Root: 258.68320393871727

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

Position of 5ⁿ in A051037 (5-smooth numbers). A188427

Number of non-equivalent (mod D₃) ways to arrange 3 indistinguishable points on a triangular grid of side n so that no three points are collinear. A234351

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 454", based on the 5-celled von Neumann neighborhood. A282307

Number of ways to place 6 nonattacking queens on an n X n board. A176186

Determinant of n X n matrix whose rows are cyclic permutations of 4..Composite(n). A66917