Properties of the Number 64970

Sixty-Four Thousand Nine Hundred Seventy

Basics

Value: 64969 → 64970 → 64971

Parity: even

Prime: No

Previous Prime: 64969

Next Prime: 64997

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 73 × 89

Divisors: 1, 2, 5, 10, 73, 89, 146, 178, 365, 445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110111001010

Octal: 176712

Duodecimal: 31722

Hexadecimal: fdca

Square: 4221100900

Square Root: 254.8921340488953

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

Given the infinite continued fraction i+(i/(i+(i/(i+...)))), where i is the square root of (-1), this is the denominator of the imaginary part of the convergents. A91809

Numbers k such that 3^k (mod 2^k) is prime. A178995

Numbers k such that the sums (with multiplicity) of prime factors of k and k+1 are both squares. A359445

a(1)=1; thereafter, values of n for which r(n)-r(n-1) and r(n-1)-r(n-2) have the same sign, where r(n) = A005132(n). A64970