Properties of the Number 53143

Fifty-Three Thousand One Hundred Forty-Three

Basics

Value: 53142 → 53143 → 53144

Parity: odd

Prime: No

Previous Prime: 53129

Next Prime: 53147

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 19 × 2797

Divisors: 1, 19, 2797, 53143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100111110010111

Octal: 147627

Duodecimal: 26907

Hexadecimal: cf97

Square: 2824178449

Square Root: 230.5276556077383

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) = ∑_{k >= 0} binomial(n,5·k). A139398

a(n) = ∑_{k >= 0} binomial(n,5·k+3). A139748

a(n) = ∑_k=0..n binomial(5·n+3,5·k). A345457

Expansion of the g.f. x/((1+2x)(1-x-x²)). A84179

a(n) = ∑_k=0..n binomial(2·n,5·k). A387844

a(n) = ∑_k=0..n binomial(3·n,5·k). A387847

n written in fractional base 7/5. A24642

Number of walks of length 2n between two nodes at distance 2 in the cycle graph C₁₀. A95930

a(n) = ∑_k=0..n binomial(4·n+2,5·k). A387905

Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1000-1000-1111 pattern in any orientation. A147092