Properties of the Number 66971

Sixty-Six Thousand Nine Hundred Seventy-One

Basics

Value: 66970 → 66971 → 66972

Parity: odd

Prime: No

Previous Prime: 66959

Next Prime: 66973

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 193 × 347

Divisors: 1, 193, 347, 66971

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010110011011

Octal: 202633

Duodecimal: 3290B

Hexadecimal: 1059b

Square: 4485114841

Square Root: 258.7875576607191

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

a(n) = σ(σ(σ(n))). A66971

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317234