Properties of the Number 52161

Fifty-Two Thousand One Hundred Sixty-One

Basics

Value: 52160 → 52161 → 52162

Parity: odd

Prime: No

Previous Prime: 52153

Next Prime: 52163

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 17387

Divisors: 1, 3, 17387, 52161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101111000001

Octal: 145701

Duodecimal: 26229

Hexadecimal: cbc1

Square: 2720769921

Square Root: 228.38782804694299

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 crossings in a regular drawing of the complete bipartite graph K(n,n). A159065

Sum over all Dyck paths of semilength n of products over all peaks p of y_p², where y_p is the y-coordinate of peak p. A258179

G.f. satisfies A(x) = 1 + x·A(x)³ + x³*A(x)³. A367059

Starts of runs of at least 3 consecutive odd numbers whose prime factors are all prime-indexed primes. A357168

Array read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the k·n boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of edges in the resulting planar graph. A392282

Partial sums of A014825, second partial sums of A002450. A52161