Properties of the Number 65008

Sixty-Five Thousand Eight

Basics

Value: 65007 → 65008 → 65009

Parity: even

Prime: No

Previous Prime: 65003

Next Prime: 65011

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 17 × 239

Divisors: 1, 2, 4, 8, 16, 17, 34, 68, 136, 239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110111110000

Octal: 176760

Duodecimal: 31754

Hexadecimal: fdf0

Square: 4226040064

Square Root: 254.9666644877326

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

Sum of smallest parts of all partitions of n into an even number of parts. A222045

Number of bracelets (turnover necklaces) of n beads of 2 colors, 7 of them black. A32280

Number of regions in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and three equally spaced points along the diameter (a total of n+3 points). See Comments for precise definition. A333642

A Seidel matrix A(n,k) read by antidiagonals downwards. A323834

a(n) = (4·n³ + 11·n² + 9·n + 2)/2. A135712

a(n) = 225·n² - n. A156813

a(n) = 289·n² - 17. A158587

a(n) = 2^floor((n-1/2)) - n*(n-1)/2. A163417

Essential dimension of the spin group Spin_n over an algebraically closed field of characteristic different from 2. A280191

Integers for which the periodic part of the continued fraction for the square root of n begins with 5. A65008