Properties of the Number 65565

Sixty-Five Thousand Five Hundred Sixty-Five

Basics

Value: 65564 → 65565 → 65566

Parity: odd

Prime: No

Previous Prime: 65563

Next Prime: 65579

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 31 × 47

Divisors: 1, 3, 5, 9, 15, 31, 45, 47, 93, 141

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000000011101

Octal: 200035

Duodecimal: 31B39

Hexadecimal: 1001d

Square: 4298769225

Square Root: 256.0566343604477

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) = A110722(n)/121. A110723

a(n) = 2ⁿ⁺¹ + 2·n - 1. A131898

a(n) = A067076(n) + A000079(n)/2 with A067076(0)=0. A92176

Number of reduced words of length n in Coxeter group on 10 generators S_i with relations (S_i)² = (S_i S_j)⁵ = I. A163397

a(n) = floor((5/4)ⁿ). A65565