Properties of the Number 27859

Twenty-Seven Thousand Eight Hundred Fifty-Nine

Basics

Value: 27858 → 27859 → 27860

Parity: odd

Prime: No

Previous Prime: 27851

Next Prime: 27883

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 13 × 2143

Divisors: 1, 13, 2143, 27859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110011010011

Octal: 66323

Duodecimal: 14157

Hexadecimal: 6cd3

Square: 776123881

Square Root: 166.910155472937

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

Numerators of coefficients for numerical integration. A2197

Numerators of continued fraction convergents to sqrt(830). A42602

Number of (n+1) X 6 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively. A204648

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 387", based on the 5-celled von Neumann neighborhood. A271545

a(n) = N^1/4 * log(N) / sqrt(log(log(N))) rounded to nearest integer, with N=2ⁿ. Related to operation count of the deterministic factorization of an integer N using an improved Pollard-Strassen method. A309916

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively. A204651

a(n) = (1/5ⁿ) * ∑_k=0..n² ( (binomial(n², k) * 4^k) (mod 5ⁿ) ). A376534

θ series of odd Leech lattice (the unique unimodular 24-dimensional lattice with minimal norm 3). A27859