Properties of the Number 20296

Twenty Thousand Two Hundred Ninety-Six

Basics

Value: 20295 → 20296 → 20297

Parity: even

Prime: No

Previous Prime: 20287

Next Prime: 20297

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 43 × 59

Divisors: 1, 2, 4, 8, 43, 59, 86, 118, 172, 236

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111101001000

Octal: 47510

Duodecimal: B8B4

Hexadecimal: 4f48

Square: 411927616

Square Root: 142.464030548065

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

The 240-degree spoke (or ray) of a hexagonal spiral of Ulam. A244805

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) = number of distinct parts of p. A241820

Number of partitions in parts not of the form 13k, 13k+3 or 13k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 5 are greater than 1. A35951

a(n) = 3·Fibonacci(2·n) + 1. A97136

a(n) = 3·Fibonacci(n) + (-1)ⁿ. A97133

Number of figure 8's with 2n edges on the square lattice. A3304

Expansion of ∏_{i>=1, j>=1, k>=1} (1 - x^i·j*k)/(1 + x^i·j*k). A321241

Number of prime alternating tangles (or knots) with two connected components. A67646

a(1)=1, a(n) = a(n-1) + n⁵ if n odd, a(n) = a(n-1) + n² if n is even. A135095

Central moment sequence of tr(A⁴) in USp(6). A138545