Properties of the Number 64897

Sixty-Four Thousand Eight Hundred Ninety-Seven

Basics

Value: 64896 → 64897 → 64898

Parity: odd

Prime: No

Previous Prime: 64891

Next Prime: 64901

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 × 73 × 127

Divisors: 1, 7, 73, 127, 511, 889, 9271, 64897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110110000001

Octal: 176601

Duodecimal: 31681

Hexadecimal: fd81

Square: 4211620609

Square Root: 254.74889597405522

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

Centered octahedral numbers (crystal ball sequence for cubic lattice). A1845

E.g.f. satisfies log(A(x)) = x * (exp(x) - 1) * A(x)². A356797

Products p·q*r of three distinct primes such that s=(p·q) mod r, t=(p·r) mod q and u=(q·r) mod p, and s+t+u are all prime. A338705

Period of continued fraction for sqrt(15)*n. A64897