Properties of the Number 39056

Thirty-Nine Thousand Fifty-Six

Basics

Value: 39055 → 39056 → 39057

Parity: even

Prime: No

Previous Prime: 39047

Next Prime: 39079

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 2441

Divisors: 1, 2, 4, 8, 16, 2441, 4882, 9764, 19528, 39056

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100010010000

Octal: 114220

Duodecimal: 1A728

Hexadecimal: 9890

Square: 1525371136

Square Root: 197.62590923257

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

Numbers n such that n²⁰⁴⁸ + 1 is prime (a generalized Fermat prime). A88361

E.g.f. A(x) satisfies A( x/(exp(2·x)*cosh(2·x)) ) = exp(x)*cosh(x). A218303

Numbers k such that [A070080(k), A070081(k), A070082(k)] is a right integer triangle with relatively prime side lengths. A70137

Row sums of triangle A091039 (scaled second columns of (k,k)-Stirling2 arrays). A91040

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A259002

Number of figure 8's having 2n edges in one loop and 6 edges in the other and which are weakly embeddable in the square lattice. A323853

a(n) = (n³+5·n+3)/3 + 2·floor(n/2) + a(n-2), with a(0)=1 and a(1)=3. A336529

a(n) = ∑_i=0..n T(i,n-i) where T is given by A047020. A47021

Number of stacks of n triangles, pointing upwards or downwards depending on row parity. A224704

O.g.f. A(x) satisfies: [xⁿ] exp(-n·A(x)) / (1 - n·x - n·x²) = 0, for n > 0. A321085