Properties of the Number 38217

Thirty-Eight Thousand Two Hundred Seventeen

Basics

Value: 38216 → 38217 → 38218

Parity: odd

Prime: No

Previous Prime: 38201

Next Prime: 38219

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 12739

Divisors: 1, 3, 12739, 38217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010101001001

Octal: 112511

Duodecimal: 1A149

Hexadecimal: 9549

Square: 1460539089

Square Root: 195.49168780283216

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

Sum of GCD's of parts in all partitions of n. A78392

a(0)=-3, a(1)=4; thereafter a(n) = 2·a(n-1) + a(n-2). A221173

Expansion of (5+4x)/(1-2x-x²). A105082

Number of (n+1)X(2+1) 0..2 arrays with every element both >= and <= some horizontal, vertical or antidiagonal neighbor. A232198

a(n) is the numerator of the expected number of restarts in the procedure described in A372422 if repeated until a single person has been selected. A372932

Triangle whose (i,j)-th entry is binomial(i,j)*2^i-j*11^j. A38217