Properties of the Number 66391

Sixty-Six Thousand Three Hundred Ninety-One

Basics

Value: 66390 → 66391 → 66392

Parity: odd

Prime: No

Previous Prime: 66383

Next Prime: 66403

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 13 × 5107

Divisors: 1, 13, 5107, 66391

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001101010111

Octal: 201527

Duodecimal: 32507

Hexadecimal: 10357

Square: 4407764881

Square Root: 257.66451055587765

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

Smallest Boolean functions from big equivalence classes representing monotone functions (subsequence of A227723). A349743

a(n)³ is smallest cube that contains exactly n consecutive internal 0's and no other 0's. A66391