Properties of the Number 66219

Sixty-Six Thousand Two Hundred Nineteen

Basics

Value: 66218 → 66219 → 66220

Parity: odd

Prime: No

Previous Prime: 66191

Next Prime: 66221

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 22073

Divisors: 1, 3, 22073, 66219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001010101011

Octal: 201253

Duodecimal: 323A3

Hexadecimal: 102ab

Square: 4384955961

Square Root: 257.3305267549888

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 10 positive 10th powers. A4810

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6. A251335

Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock summing to 2 4 or 6. A251328

Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock summing to 2 4 or 6. A251333

Numbers k such that [prime(k), prime(k+1), prime(k+2), prime(k+3)] == [1, 2, 3, 4] (mod 11). A302772

Numbers n such that |φ(n+1)-φ(n)| = |d(n+1)-d(n)|, where φ is Euler's totient function and d(n) = number of divisors of n. A66219