Properties of the Number 66402

Sixty-Six Thousand Four Hundred Two

Basics

Value: 66401 → 66402 → 66403

Parity: even

Prime: No

Previous Prime: 66383

Next Prime: 66403

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 7 × 17 × 31

Divisors: 1, 2, 3, 6, 7, 9, 14, 17, 18, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001101100010

Octal: 201542

Duodecimal: 32516

Hexadecimal: 10362

Square: 4409225604

Square Root: 257.68585525790894

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

Number of generalized fusenes with n pentagons. A259351

Expansion of q / (χ(q) * χ(q²) * χ(q³) * χ(q⁶))² in powers of q where χ() is a Ramanujan θ function. A212770

Degrees of irreducible representations of orthogonal group O10+(2). A214472

From expansion of Belyi function for dodecahedron. A66402