Properties of the Number 64215

Sixty-Four Thousand Two Hundred Fifteen

Basics

Value: 64214 → 64215 → 64216

Parity: odd

Prime: No

Previous Prime: 64189

Next Prime: 64217

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1427

Divisors: 1, 3, 5, 9, 15, 45, 1427, 4281, 7135, 12843

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101011010111

Octal: 175327

Duodecimal: 311B3

Hexadecimal: fad7

Square: 4123566225

Square Root: 253.40678759654406

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 partitions of n with rank a multiple of 6. A363238

G.f.: A(x) = exp( ∑_n>=1 5·5^A112765(n) * xⁿ/n ), where A112765 is the exponent of the highest power of 5 dividing n. A195760

Least k such that k·6ⁿ +/- 1 are twin primes. A64215