Properties of the Number 30838

Thirty Thousand Eight Hundred Thirty-Eight

Basics

Value: 30837 → 30838 → 30839

Parity: even

Prime: No

Previous Prime: 30829

Next Prime: 30839

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 17 × 907

Divisors: 1, 2, 17, 34, 907, 1814, 15419, 30838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100001110110

Octal: 74166

Duodecimal: 15A1A

Hexadecimal: 7876

Square: 950982244

Square Root: 175.6075169233937

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

Numbers k such that k! + k + 1 is prime. A73308

a(n) = ∑_k=1..n k²*σ(k), where σ is A000203. A319086

Number of permutations of 1..n with displacements restricted to {-4,-2,0,1,3}. A189583

G.f.: A(x) = exp( ∑_n>=1 [∑_k=0..n C(n,k)ⁿ * x^k*A(x)^k] * xⁿ/n ). A198945

Total number of parts which are powers of 2 in all partitions of n. A342230

[ exp(3/22)*n! ]. A30838