Properties of the Number 66798

Sixty-Six Thousand Seven Hundred Ninety-Eight

Basics

Value: 66797 → 66798 → 66799

Parity: even

Prime: No

Previous Prime: 66797

Next Prime: 66809

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 1237

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 1237, 2474

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010011101110

Octal: 202356

Duodecimal: 327A6

Hexadecimal: 104ee

Square: 4461972804

Square Root: 258.45309052127817

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 (w,x,y,z) with all terms in {1,...,n} and w·x<=y·z+2. A212055

a(n) = ∑_i=1..n binomial(6·i,3·i). A66798