Properties of the Number 66063

Sixty-Six Thousand Sixty-Three

Basics

Value: 66062 → 66063 → 66064

Parity: odd

Prime: No

Previous Prime: 66047

Next Prime: 66067

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 ² × 61

Divisors: 1, 3, 19, 57, 61, 183, 361, 1083, 1159, 3477

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001000001111

Octal: 201017

Duodecimal: 32293

Hexadecimal: 1020f

Square: 4364319969

Square Root: 257.02723591090495

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) = floor(n^m) where m = ∑_k=1..n (1/k). A67038

Diagonal sums of a Chebyshev number triangle. A101163

a(n) = sqrt(σ(2·m²)), where m = A097023(n), i.e., σ(2·m²) is a square. A163764

a(n) = binomial(n,4) - binomial(floor(n/2),4) - binomial(ceiling(n/2),4). A111385

Size of the smallest subset S of T={0,1,2,...,n} such that each element of T is the sum of two elements of S. A66063