Properties of the Number 38810

Thirty-Eight Thousand Eight Hundred Ten

Basics

Value: 38809 → 38810 → 38811

Parity: even

Prime: No

Previous Prime: 38803

Next Prime: 38821

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 3881

Divisors: 1, 2, 5, 10, 3881, 7762, 19405, 38810

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011110011010

Octal: 113632

Duodecimal: 1A562

Hexadecimal: 979a

Square: 1506216100

Square Root: 197.00253805471644

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..3 introduced in row major order. A206600

a(n) = C(2n-1,n-1) mod n³. A99907

Relative of Hofstadter Q-sequence: a(n) = max(0, n+19395) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0. A283886

a(n) = binomial(2·c-1, c-1) (mod c³), where c is the n-th composite. A244214

a(n) = (n²+1)²+1. A178390

Numbers k such that 2·10^k + 4·R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A102952

Number of (n+1)X2 0..3 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..3 introduced in row major order. A206594

Number of (n+1)X5 0..3 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..3 introduced in row major order. A206597

Number of partitions p of n such that (number of numbers in p that have multiplicity 1) <= (number of numbers in p having multiplicity > 1). A330146

a(n) is the number of ways to write the number n as dk...di...d2d1d0 where digit di represents di * (di+1)ⁱ, restricting di to 0..9. A38810