Properties of the Number 66015

Sixty-Six Thousand Fifteen

Basics

Value: 66014 → 66015 → 66016

Parity: odd

Prime: No

Previous Prime: 65993

Next Prime: 66029

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 × 163

Divisors: 1, 3, 5, 9, 15, 27, 45, 81, 135, 163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000111011111

Octal: 200737

Duodecimal: 32253

Hexadecimal: 101df

Square: 4357980225

Square Root: 256.93384362516355

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) = 2·n*(n-1) + 2ⁿ - 1. A295077

Number of codes having highest minimal Euclidean norm of any Type 4^Z self-dual code of length n over Z/4Z which does not have all Euclidean norms divisible by 8, that is, is strictly Type I. Compare A105682. A66015