Properties of the Number 51067

Fifty-One Thousand Sixty-Seven

Basics

Value: 51066 → 51067 → 51068

Parity: odd

Prime: No

Previous Prime: 51061

Next Prime: 51071

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 223 × 229

Divisors: 1, 223, 229, 51067

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011101111011

Octal: 143573

Duodecimal: 25677

Hexadecimal: c77b

Square: 2607838489

Square Root: 225.98008761835632

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

Product of the n-th sexy prime pair. A111192

Numbers n such that exactly two positive d in the range d <= n/2 exist which divide binomial(n-d-1, d-1) and which are not coprime to n. A178098

Sequence of pairwise relatively prime numbers of class P₅ (see comment in A275246). A275249

Numerators of b(n) = (1/16ⁿ)*(4/(8·n+1) - 2/(8·n+4) - 1/(8·n+5) - 1/(8·n+6)). A48581

a(n) = 1 - 2·n² + 4·n*(1 + 2·n²)/3. A168547

a(n) is the numerator of (120·n² + 151·n + 47)/(512·n⁴ + 1024·n³ + 712·n² + 194·n + 15). A374580

Denominator of next-best approximation to harmonic numbers. a(n) = Denominator of (A055573(n)-1)th convergent of n-th harmonic number, ∑_k=1..n 1/k. A113124

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 69 ones. A31837

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 339", based on the 5-celled von Neumann neighborhood. A271291

Number of products of distinct primes <= p(n) equal to 1 (mod p(n)). A24405