Properties of the Number 55212

Fifty-Five Thousand Two Hundred Twelve

Basics

Value: 55211 → 55212 → 55213

Parity: even

Prime: No

Previous Prime: 55207

Next Prime: 55213

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 43 × 107

Divisors: 1, 2, 3, 4, 6, 12, 43, 86, 107, 129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011110101100

Octal: 153654

Duodecimal: 27B50

Hexadecimal: d7ac

Square: 3048364944

Square Root: 234.97233879756996

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

Triangle T(n,k), 0 <= k <= n, read by rows, defined by: T(0,0) = 1, T(n,k) = 0 if n<k, T(n,0) = T(n-1,0) + T(n-1,1) and for k >= 1: T(n,k) = T(n-1,k-1) + x·T(n-1,k) + T(n-1,k+1) with x = 3. A110877

Used by Polya in calculating A000598. A36676

Number of composite divisors of n. A55212