Properties of the Number 64199

Sixty-Four Thousand One Hundred Ninety-Nine

Basics

Value: 64198 → 64199 → 64200

Parity: odd

Prime: No

Previous Prime: 64189

Next Prime: 64217

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 43 × 1493

Divisors: 1, 43, 1493, 64199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101011000111

Octal: 175307

Duodecimal: 3119B

Hexadecimal: fac7

Square: 4121511601

Square Root: 253.37521583611922

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

a(n) = pq + pr + qr with p = prime(n), q = prime(n+1), and r = prime(n+2). A127345

Composites in A127345. A127347

a(0) = 1; a(n) = ∑_{0 <= k < n and gcd(k, n) ≠ 1} a(k). A54251

Concatenation of n-th nonprime and n-th prime. A253911

Denominator of harmonic mean of 3 consecutive primes. Numerators are A331259. A331260

a(n) = 9*(n-2)²*(n²-2·n-1)/2. A64199