Properties of the Number 65220

Sixty-Five Thousand Two Hundred Twenty

Basics

Value: 65219 → 65220 → 65221

Parity: even

Prime: No

Previous Prime: 65213

Next Prime: 65239

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 1087

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111111011000100

Octal: 177304

Duodecimal: 318B0

Hexadecimal: fec4

Square: 4253648400

Square Root: 255.38206671573477

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) gives smallest number requiring n iterations of the map i -> A053392(i) to reach zero. A60630

a(n) = Fibonacci(n) - n. A65220

Coefficients in the odd function A(x) such that: A(x) = A( x² + 2·x²*A(x)² )^1/2, with A(0)=0, A'(0)=1. A356780