Properties of the Number 65105

Sixty-Five Thousand One Hundred Five

Basics

Value: 65104 → 65105 → 65106

Parity: odd

Prime: No

Previous Prime: 65101

Next Prime: 65111

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 29 × 449

Divisors: 1, 5, 29, 145, 449, 2245, 13021, 65105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111001010001

Octal: 177121

Duodecimal: 31815

Hexadecimal: fe51

Square: 4238661025

Square Root: 255.15681452785068

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

Number of closed walks of length n on the complete graph on 6 nodes from a given node. A109500

Triangular array read by rows: row n shows the coefficients of the polynomial p(x,n) constructed as in Comments; these polynomials form a strong divisibility sequence. A327322

Expansion of (1-4·x-x²)/((1-x)*(1-4·x-5·x²)). A100284

Record numbers in A064791. A64832

Array read by antidiagonals: T(m,n) is the number of closed walks of length n on the complete graph on m nodes, m >= 1, n >= 0. A109502

Numbers not expressible as a product of Fibonacci numbers. A65105