Properties of the Number 66020

Sixty-Six Thousand Twenty

Basics

Value: 66019 → 66020 → 66021

Parity: even

Prime: No

Previous Prime: 65993

Next Prime: 66029

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 3301

Divisors: 1, 2, 4, 5, 10, 20, 3301, 6602, 13204, 16505

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000111100100

Octal: 200744

Duodecimal: 32258

Hexadecimal: 101e4

Square: 4358640400

Square Root: 256.9435735720977

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

Number of evil primes (A027699) in range ]2ⁿ,2ⁿ⁺¹]. A95006

Numbers k such that 133·2^k+1 is prime. A32416

a(n) is the smallest k such that (k⁵ + 1)/(n⁵ + 1) is an integer > 1. A66020