Properties of the Number 66704

Sixty-Six Thousand Seven Hundred Four

Basics

Value: 66703 → 66704 → 66705

Parity: even

Prime: No

Previous Prime: 66701

Next Prime: 66713

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 11 × 379

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 88, 176

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010010010000

Octal: 202220

Duodecimal: 32728

Hexadecimal: 10490

Square: 4449423616

Square Root: 258.27117531772683

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

G.f. satisfies: A(x) = 1 + x*( d/dx x·A(x) )⁴. A211825

n·10³-1, n·10³-3, n·10³-7 and n·10³-9 are all prime. A64977

Expansion of 1/(1 - ∑_{k = i^j, i>=1, j>=2} x^k). A282500

Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = 5 + 9·A005836(2^{k - 1}*(2 n - 1)), n,k >= 1. A265159

Triangle with a(n,k) = C(n,floor(n/k)) with n>=k>=1. A66704