Properties of the Number 39864

Thirty-Nine Thousand Eight Hundred Sixty-Four

Basics

Value: 39863 → 39864 → 39865

Parity: even

Prime: No

Previous Prime: 39863

Next Prime: 39869

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 11 × 151

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 22, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101110111000

Octal: 115670

Duodecimal: 1B0A0

Hexadecimal: 9bb8

Square: 1589138496

Square Root: 199.6597105076535

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

Number of twice-partitions of n into partitions with all different lengths. A358830

Expansion of 1/((1-x)*(1-x-x³)). A77868

Pisot sequence T(3,5). A20745

Row lengths of the irregular triangle defined in A090905. A90906

Denominators of continued fraction convergents to sqrt(335). A41633

Number of partitions of n such that the least part occurs with even multiplicity. A96374

Pisot sequence T(5,8), a(n) = floor(a(n-1)²/a(n-2)). A20749

Expansion of (1-x)^-1/(1+x-2·x²+x³). A77899

Number of terms in n-th row of irregular triangle defined in A093911. A93912

A triangle of polynomial coefficients: q(x,n)=-((x - 1)^{2·n + 1}/xⁿ)*Sum[(2·k + n)ⁿ*Binomial[k, n]*x^k, {k, 0, Infinity}]; p(x,n)=q(x,n)+xⁿ*q(1/x,n). A155952