Properties of the Number 67766

Sixty-Seven Thousand Seven Hundred Sixty-Six

Basics

Value: 67765 → 67766 → 67767

Parity: even

Prime: No

Previous Prime: 67763

Next Prime: 67777

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 31 × 1093

Divisors: 1, 2, 31, 62, 1093, 2186, 33883, 67766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000100010110110

Octal: 204266

Duodecimal: 33272

Hexadecimal: 108b6

Square: 4592230756

Square Root: 260.3190350320161

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

Determinant of n X n matrix defined by m(i,j) = 0 if i+j is a prime, m(i,j) = 1 otherwise. A71063

Smallest multiple of A047201(n) (i.e., numbers not divisible by 5) with only digits 6 and 7. A124476

Numbers k such that σ(k)² > 4·sigma₂(k) where sigma₂(k) is the sum of squares over the divisors of k. A67766