Properties of the Number 19316

Nineteen Thousand Three Hundred Sixteen

Basics

Value: 19315 → 19316 → 19317

Parity: even

Prime: No

Previous Prime: 19309

Next Prime: 19319

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 439

Divisors: 1, 2, 4, 11, 22, 44, 439, 878, 1756, 4829

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101101110100

Octal: 45564

Duodecimal: B218

Hexadecimal: 4b74

Square: 373107856

Square Root: 138.98201322473352

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 Bernoulli number B_n has denominator 690. A272186

Least k such that there are exactly A003586(n) ways to choose a binary index of each binary index of k. A368111

Sorted positions of first appearances in A368109 (number of ways to choose a binary index of each binary index). A368112

Denominators of convergents to π by Farey fractions. A63673

Sum of binary ranks of all strict integer partitions of n, where the binary rank of a partition y is given by Sum_i 2^y_i-1. A372888

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 517", based on the 5-celled von Neumann neighborhood. A282825

Row sums of triangle A097084, in which the n-th diagonal equals the n-th row transformed by triangle A008459 (squared binomial coefficients). A97085

Numerators of continued fraction convergents to sqrt(875). A42690

Number of n X 5 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A223835

a(n) = [xⁿ] ∏_k=1..n 1/(1 - k²*x)ⁿ. A384092