Properties of the Number 38117

Thirty-Eight Thousand One Hundred Seventeen

Basics

Value: 38116 → 38117 → 38118

Parity: odd

Prime: No

Previous Prime: 38113

Next Prime: 38119

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 47 × 811

Divisors: 1, 47, 811, 38117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010011100101

Octal: 112345

Duodecimal: 1A085

Hexadecimal: 94e5

Square: 1452905689

Square Root: 195.23575492209412

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

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m·k + 1)*T(n-1, k, m) + m·f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2·k if k <= floor(n/2) otherwise 2*(n-k), and m = 1, read by rows. A157275

Composite numbers which contain their largest proper divisor as a substring. A62238

Smallest k such that 2^2ⁿ - k is a safe prime. A181356

Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415). A189639

Semiprimes generated by the polynomial 2·n² + 29. A241554

Number of compositions (ordered partitions) of n into centered pentagonal numbers (A005891). A322801

Composite numbers of the form 2·k² + 29. A352949

Numbers k for which σ(k) = k + k'', where k'' is the second derivative of k (A068346). A348426

Lexicographically earliest strictly increasing base 8 autovarious sequence: a(n) = number of distinct a(k) mod 8ⁿ (written in base 8). A38117