Properties of the Number 6634

Six Thousand Six Hundred Thirty-Four

Basics

Value: 6633 → 6634 → 6635

Parity: even

Prime: No

Previous Prime: 6619

Next Prime: 6637

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 31 × 107

Divisors: 1, 2, 31, 62, 107, 214, 3317, 6634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111101010

Octal: 14752

Duodecimal: 3A0A

Hexadecimal: 19ea

Square: 44009956

Square Root: 81.44937077718895

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

Sorted positions of first appearances in A057820, the sequence of first differences of prime-powers. A376340

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically. A207068

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically. A207123

a(n) = 6·n² + 3·n + 1. A85473

Numbers congruent to 2 in the structure of A211000. A211001

Expansion of series related to Liouville's Last Theorem: g.f. ∑_t>0 (-1)^t+1 *x^t*(t+1/2) / ( (1-x^t)³ *∏_i=1..t (1-xⁱ) ). A59820

Sum of even-indexed primes. A77126

Let b(1) = 2; and for n>= 2, if b(n-1) < prime(n) then b(n) = b(n-1) + prime(n) otherwise b(n) = b(n-1) - prime(n). The sequence gives the indices n where b(n-1) < b(n) < b(n+1). A135025

Number of parking functions of size n avoiding the patterns 213 and 312. A362597

a(n) = (27·n² + 9·n + 2)/2. A93485