Properties of the Number 64613

Sixty-Four Thousand Six Hundred Thirteen

Basics

Value: 64612 → 64613 → 64614

Parity: odd

Prime: Yes

Previous Prime: 64609

Next Prime: 64621

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 64613

Divisors: 1, 64613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110001100101

Octal: 176145

Duodecimal: 31485

Hexadecimal: fc65

Square: 4174839769

Square Root: 254.19087316424248

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 primes-only best approximates (POBAs) to sqrt(3); see Comments. A265783

The first of three consecutive primes the sum of which is equal to the sum of three consecutive triangular numbers. A298169

Denominators of upper primes-only best approximates (POBAs) to sqrt(3); see Comments. A265781

Primes which are the sum of the first k odd primes for some k. A71151

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}. A151093

Expansion of x³*(2-3·x)/((1-x)²*(1-2·x)*(1-5·x+5·x²)). A283842

Second binomial transform of the Catalan numbers. A64613