Properties of the Number 39888

Thirty-Nine Thousand Eight Hundred Eighty-Eight

Basics

Value: 39887 → 39888 → 39889

Parity: even

Prime: No

Previous Prime: 39887

Next Prime: 39901

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 277

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101111010000

Octal: 115720

Duodecimal: 1B100

Hexadecimal: 9bd0

Square: 1591052544

Square Root: 199.71980372511885

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

Smallest multiple of 8 with digit sum n. A69536

Expansion of 3 * (b(q)²/b(q²)) / (c(q)²/c(q²)) in powers of q where b(), c() are cubic AGM θ functions. A128637

Monotonic ordering of set S generated by these rules: if·and y are in S then x²+y²-xy is in S, and 2 is in S. A192533

Number of 1:3:sqrt(10) proportioned triangles on a (n+1) X (n+1) grid. A190102

Number of permutations of length n in the class of juxtapositions of 321-avoiders with 21-avoiders. A278301

T(n,n-2), array T as in A047110. A47114

Number of closed knight's tour diagrams of a 3 X n chessboard that have "Bergholtian symmetry". A169766

Number of geometrically distinct closed knight's tours of a 3 X n chessboard that have twofold symmetry. A169768

Numbers k such that A064989(σ(k)) >= k. A337343

Number of partitions satisfying cn(1,5) < cn(2,5) + cn(3,5) and cn(4,5) < cn(2,5) + cn(3,5). A39888