Properties of the Number 39655

Thirty-Nine Thousand Six Hundred Fifty-Five

Basics

Value: 39654 → 39655 → 39656

Parity: odd

Prime: No

Previous Prime: 39631

Next Prime: 39659

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 11 × 103

Divisors: 1, 5, 7, 11, 35, 55, 77, 103, 385, 515

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101011100111

Octal: 115347

Duodecimal: 1AB47

Hexadecimal: 9ae7

Square: 1572519025

Square Root: 199.13563217063893

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 read by rows, s₃(n, k) where s_m(n, k) are the Stirling-Frobenius cycle numbers of order m; n >= 0, k >= 0. A225470

a(n) = 3rd elementary symmetric function of the first n+2 positive integers congruent to 2 mod 3. A24392

Number of length n words on {1,2,3,4} with at most one consecutive 1 and at most two consecutive 2's and at most three consecutive 3's and at most four consecutive 4's. A242495

Number of (w,x,y,z) with all terms in {1,...,n} and w > x < y >= z. A212501

Coefficient of x⁴ in expansion of (x+2) * (x+5) * ... * (x+3·n-1). A383222

Number of iterations of f(x) = σ(x)-1 applied to n required to reach a prime, or -1 if no prime is ever reached. A39655

G.f. A(x) satisfies: [xⁿ] A(x)ⁿ⁺¹ = [xⁿ] (1 + x·A(x)^2·n+3)ⁿ⁺¹ for n >= 0. A360347

a(n) = n-th elementary symmetric function of the first n+1 positive integers congruent to 2 mod 3. A24395