Properties of the Number 68225

Sixty-Eight Thousand Two Hundred Twenty-Five

Basics

Value: 68224 → 68225 → 68226

Parity: odd

Prime: No

Previous Prime: 68219

Next Prime: 68227

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 2729

Divisors: 1, 5, 25, 2729, 13645, 68225

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101010000001

Octal: 205201

Duodecimal: 33595

Hexadecimal: 10a81

Square: 4654650625

Square Root: 261.1991577321795

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

Count of interior bounded regions in a regular 2n-sided polygon dissected by all diagonals parallel to sides. A165217

The number of tiles inside a regular n-gon created by diagonals that run from each of the n vertices to the n-2 midpoints of opposite edges. A320422

Equals one maps: number of 2 X n binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 2 X n array. A220538

Neighbor in 1-2 direction of numbers arranged as clockwise spiral. A68225

Number of (n+1)X(n+1) -9..9 symmetric matrices with every 2X2 subblock having sum zero and two or three distinct values. A211552