Properties of the Number 66659

Sixty-Six Thousand Six Hundred Fifty-Nine

Basics

Value: 66658 → 66659 → 66660

Parity: odd

Prime: No

Previous Prime: 66653

Next Prime: 66683

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 191 × 349

Divisors: 1, 191, 349, 66659

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010001100011

Octal: 202143

Duodecimal: 326AB

Hexadecimal: 10463

Square: 4443422281

Square Root: 258.1840428841411

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

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 30", based on the 5-celled von Neumann neighborhood. A274487

Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301968

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1100-0101-0111 pattern in any orientation. A147205

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301964

Least k > n such that φ(k) = φ(n), if such k exists; = 0 otherwise. A66659