Properties of the Number 66756

Sixty-Six Thousand Seven Hundred Fifty-Six

Basics

Value: 66755 → 66756 → 66757

Parity: even

Prime: No

Previous Prime: 66751

Next Prime: 66763

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5563

Divisors: 1, 2, 3, 4, 6, 12, 5563, 11126, 16689, 22252

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010011000100

Octal: 202304

Duodecimal: 32770

Hexadecimal: 104c4

Square: 4456363536

Square Root: 258.37182508934677

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

Numbers k such that k and k² use only the digits 3, 4, 5, 6 and 7. A137121

Number of proper factorizations of p1ⁿ*p2², where p1 and p2 are distinct primes. A31125

Smallest number that requires n³ steps to reach 1 in its Collatz trajectory (counting x/2 and 3x+1 steps). A66756