Properties of the Number 55005

Fifty-Five Thousand Five

Basics

Value: 55004 → 55005 → 55006

Parity: odd

Prime: No

Previous Prime: 55001

Next Prime: 55009

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 19 × 193

Divisors: 1, 3, 5, 15, 19, 57, 95, 193, 285, 579

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011011011101

Octal: 153335

Duodecimal: 279B9

Hexadecimal: d6dd

Square: 3025550025

Square Root: 234.53144778472674

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 whose decimal expansion contains only 0's and 5's. A169964

Number A(n,k) of permutations p of [n] having no index i with |p(i)-i| = k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A306512

Number of permutations p of {1,2,...,n} such that |p(i)-i| ≠ 1 for all i. A78480

Number T(n,k) of permutations p of [n] such that |{ j : |p(j)-j| = 1 }| = k; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows. A320582

Smallest multiple of n using only digits 0 and 5. A78244

Quotient of 'base-2' division described in A032533. A32534

Numbers k such that k and k² use only the digits 0, 2, 3 and 5. A136887

Numbers k such that k and k² use only the digits 0, 2, 3, 5 and 7. A136889

Numbers k such that k and k² use only the digits 0, 2, 3, 5 and 8. A136890

Triangle read by rows: T(n,k) is the number of unlabeled connected graphs with n nodes and packing chromatic number k, 1 <= k <= n. A363044