Properties of the Number 38311

Thirty-Eight Thousand Three Hundred Eleven

Basics

Value: 38310 → 38311 → 38312

Parity: odd

Prime: No

Previous Prime: 38303

Next Prime: 38317

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 13 × 421

Divisors: 1, 7, 13, 91, 421, 2947, 5473, 38311

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010110100111

Octal: 112647

Duodecimal: 1A207

Hexadecimal: 95a7

Square: 1467732721

Square Root: 195.73195957737715

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

a(n) = 2ⁿ*∏_{k=1..floor((n-1)/2)} (1 + 2·cos(k*π/n)² + 4·cos(k*π/n)⁴). A152090

Number of non-equivalent ways to place 2 non-attacking kings on an n X n board. A279111

Strong pseudoprimes to base 12. A20238

Numbers k such that j(k)*φ(k) = σ(φ(k)), j(k) = A033831(k). A33856

Strong pseudoprimes to base 38. A20264

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 31 ones. A31799

a(n) = (1/24)*(n+1)*(n+3)*(n²+22·n+88). A90950

a(n) = ceiling(n³*(π/2)). A248198

a(n) = ∏_{k=1..floor((n-1)/2)} (1 + 4·sin(k*π/n)² + 16·sin(k*π/n)⁴). A152142

Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 7. A242505