Properties of the Number 64985

Sixty-Four Thousand Nine Hundred Eighty-Five

Basics

Value: 64984 → 64985 → 64986

Parity: odd

Prime: No

Previous Prime: 64969

Next Prime: 64997

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 × 41 × 317

Divisors: 1, 5, 41, 205, 317, 1585, 12997, 64985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110111011001

Octal: 176731

Duodecimal: 31735

Hexadecimal: fdd9

Square: 4223050225

Square Root: 254.9215565620138

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

Denominators of continued fraction convergents to sqrt(130). A41237

Denominators of continued fraction convergents to sqrt(520). A41995

Bisection of Lucas numbers: a(n) = L(2·n) = A000032(2·n). A5248

Number of partitions of n into factorial parts ( 0! allowed ). A64985