Properties of the Number 66247

Sixty-Six Thousand Two Hundred Forty-Seven

Basics

Value: 66246 → 66247 → 66248

Parity: odd

Prime: No

Previous Prime: 66239

Next Prime: 66271

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 31 × 2137

Divisors: 1, 31, 2137, 66247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001011000111

Octal: 201307

Duodecimal: 32407

Hexadecimal: 102c7

Square: 4388665009

Square Root: 257.38492574352523

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

Array T(n, m) read by ascending antidiagonals: numerators of shifted Fubini numbers F(n, m) where m >= 0. A338875

Characteristic function of composite numbers: 1 if n is composite else 0. A66247