Properties of the Number 56065

Fifty-Six Thousand Sixty-Five

Basics

Value: 56064 → 56065 → 56066

Parity: odd

Prime: No

Previous Prime: 56053

Next Prime: 56081

Digit Sum: 22

Digital Root: 4

Palindrome: Yes

Factorization: 5 × 11213

Divisors: 1, 5, 11213, 56065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101100000001

Octal: 155401

Duodecimal: 28541

Hexadecimal: db01

Square: 3143284225

Square Root: 236.78048906107108

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 intersections inside an equilateral triangular figure formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. If three or more lines meet at an interior point this intersection is counted only once. A92866

T(n,k) is the number of non-equivalent distinguishing coloring partitions of the cycle on n vertices with exactly k parts. Regular triangle read by rows, n >= 1, 1 <= k <= n. A309784

a(n) = 1681·n² - 756·n + 85. A157010

Numbers k such that 4^k + 25 is prime. A204388

Order of certain group related to alternating sign matrices. A56065