Properties of the Number 66790

Sixty-Six Thousand Seven Hundred Ninety

Basics

Value: 66789 → 66790 → 66791

Parity: even

Prime: No

Previous Prime: 66763

Next Prime: 66791

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 6679

Divisors: 1, 2, 5, 10, 6679, 13358, 33395, 66790

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010011100110

Octal: 202346

Duodecimal: 3279A

Hexadecimal: 104e6

Square: 4460904100

Square Root: 258.4376133615229

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) = a(n-1) + a(n-2) + a(n-3), with a(0) = 1, a(1) = a(2) = 6. A214828

a(2·n+1) = 9·a(n), a(2·n+2) = 10·a(n) + a(n-1). A116555

Number of primes of the form (x+1)⁷ - x⁷ with x <= 10ⁿ. A221980

Convert number n to the bases from 2 to 10. For any n, sequence lists the minimum base with the highest product of digits. A254597

a(n) = least natural number k such that the distance between (n, σ(n)) and (n+k, σ(n+k)) is an integer (i.e., k² + (σ(n+k) - σ(n))² is a square), if such k exists; 0 otherwise. A66790