Properties of the Number 66748

Sixty-Six Thousand Seven Hundred Forty-Eight

Basics

Value: 66747 → 66748 → 66749

Parity: even

Prime: No

Previous Prime: 66739

Next Prime: 66749

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 11 × 37 × 41

Divisors: 1, 2, 4, 11, 22, 37, 41, 44, 74, 82

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010111100

Octal: 202274

Duodecimal: 32764

Hexadecimal: 104bc

Square: 4455295504

Square Root: 258.35634306128424

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

Number of points in Nⁿ of norm <= 2. A55417

Number of length 2+3 0..n arrays with no consecutive four elements summing to more than 2·n. A241965

Numbers k such that (19·10^k + 413)/9 is prime. A293684

The continued fraction for the "binary" Copeland-Erdős constant. A66748