Properties of the Number 39676

Thirty-Nine Thousand Six Hundred Seventy-Six

Basics

Value: 39675 → 39676 → 39677

Parity: even

Prime: No

Previous Prime: 39671

Next Prime: 39679

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7 × 13 × 109

Divisors: 1, 2, 4, 7, 13, 14, 26, 28, 52, 91

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101011111100

Octal: 115374

Duodecimal: 1AB64

Hexadecimal: 9afc

Square: 1574184976

Square Root: 199.1883530731654

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

Cubic star numbers: a(n) = n³ + 4*∑_i=0..n-1 i². A51673

Number of locally disjoint rooted semi-identity trees with n unlabeled vertices. A331783

a(n) = binomial(2·n, n) mod ((n+1)*(n+2)*(n+3)*(n+4)). A65346

G.f. A(x) satisfies: 1 = ∑_n>=0 xⁿ * ((1+x)^5·n - A(x))ⁿ⁺¹, where A(0) = 0. A307955

Composite n such that (n-1)*φ(n) is a perfect square. A69953

a(n) = Lucas(n+1) + prime(n). A160243

Nested floor product of n and fractions (k+1)/k for all k>0 (mod 6), divided by 6. A73363

Number of length n+3 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs. A256818

Differences between Fibonacci-lucky numbers. A39676