Properties of the Number 66050

Sixty-Six Thousand Fifty

Basics

Value: 66049 → 66050 → 66051

Parity: even

Prime: No

Previous Prime: 66047

Next Prime: 66067

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ² × 1321

Divisors: 1, 2, 5, 10, 25, 50, 1321, 2642, 6605, 13210

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001000000010

Octal: 201002

Duodecimal: 32282

Hexadecimal: 10202

Square: 4362602500

Square Root: 257.00194551792794

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

Numbers that are the sum of 5 nonzero 8th powers. A3383

Numbers n such that n is a substring of its square (both n and n squared in base 4) (written in base 10). A18828

Numbers of the form (square + 1) that are not squarefree. A124809

a(n) = 1 + a(floor(n/2))*a(ceiling(n/2)). A5468

a(n) = 81·n² - 72·n + 17. A154277

Total sum of the 4th powers of lengths of ascending runs in all permutations of [n]. A228994

Expansion of ∑_i>=1 μ(i)²*xⁱ/(1 - xⁱ) / ∏_j>=1 (1 - μ(j)²*x^j), where μ() is the Moebius function (A008683). A281572

a(n) = (n²+1)²+1. A178390

Numbers k such that the two perfect powers immediately adjacent to k² both have exponents greater than 2. A340643

a(1) = 2, a(n) = k + 1, where k is the least number greater than a(n-1) such that rad(k) | a(n-1), where rad(n) = A007947(n). A365324