Properties of the Number 56069

Fifty-Six Thousand Sixty-Nine

Basics

Value: 56068 → 56069 → 56070

Parity: odd

Prime: No

Previous Prime: 56053

Next Prime: 56081

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 19 × 227

Divisors: 1, 13, 19, 227, 247, 2951, 4313, 56069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101100000101

Octal: 155405

Duodecimal: 28545

Hexadecimal: db05

Square: 3143732761

Square Root: 236.7889355523184

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

Coefficients of the nonnegative powers of ρ(11) = 2·cos(π/11) when written in the power basis of the degree 5 number field Q(ρ(11)). Negative of the coefficients of the first power. A231183

Denominators of continued fraction convergents to sqrt(78). A41139

Triangle read by rows: T(n,k) is the numerator of the probability of winning a 1-player game M(n,k) as defined below while playing optimally. A370398

Numbers k whose binary expansion is a substring of the binary expansion of binomial(k,2). A356537

Number of 4-element ordered antichains on an unlabeled n-element set; T₁-hypergraphs with 4 labeled nodes and n hyperedges. A56069

a(n) is the number of ordered solutions (x,y,z) to x² + y² == z² mod n with 1 <= x,y,z <= n-1. A136679