Properties of the Number 66417

Sixty-Six Thousand Four Hundred Seventeen

Basics

Value: 66416 → 66417 → 66418

Parity: odd

Prime: No

Previous Prime: 66413

Next Prime: 66431

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 ² × 131

Divisors: 1, 3, 13, 39, 131, 169, 393, 507, 1703, 5109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001101110001

Octal: 201561

Duodecimal: 32529

Hexadecimal: 10371

Square: 4411217889

Square Root: 257.7149588207871

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

a(1)=1, a(n)=a(n-1)+n¹ if n odd, a(n)=a(n-1)+ n³ if n is even. A140145

Number of collinear point triples on a centered hexagonal grid of size n. A241222

Sum of anti-divisors of n. A66417