Properties of the Number 65225

Sixty-Five Thousand Two Hundred Twenty-Five

Basics

Value: 65224 → 65225 → 65226

Parity: odd

Prime: No

Previous Prime: 65213

Next Prime: 65239

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 2609

Divisors: 1, 5, 25, 2609, 13045, 65225

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111011001001

Octal: 177311

Duodecimal: 318B5

Hexadecimal: fec9

Square: 4254300625

Square Root: 255.3918557824427

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

Expansion of 1/(1-2x²-3x³-x⁴). A124370

Number of Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 10). A212369

Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the 9-gonal (nonagonal) numbers. The final elements of the rows form a(n). A65225