Properties of the Number 66770

Sixty-Six Thousand Seven Hundred Seventy

Basics

Value: 66769 → 66770 → 66771

Parity: even

Prime: No

Previous Prime: 66763

Next Prime: 66791

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 11 × 607

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 607, 1214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010011010010

Octal: 202322

Duodecimal: 32782

Hexadecimal: 104d2

Square: 4458232900

Square Root: 258.3989164063967

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) + 2·a(n-2) + a(n-3) - a(n-4). A101400

a(n) = 5ⁿ*sin(2n·arctan(1/2)) or numerator of tan(2n·arctan(1/2)). A66770