Properties of the Number 11873

Eleven Thousand Eight Hundred Seventy-Three

Basics

Value: 11872 → 11873 → 11874

Parity: odd

Prime: No

Previous Prime: 11867

Next Prime: 11887

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 31 × 383

Divisors: 1, 31, 383, 11873

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111001100001

Octal: 27141

Duodecimal: 6A55

Hexadecimal: 2e61

Square: 140968129

Square Root: 108.96329657274508

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 that are the sum of six fifth powers in two or more ways. A345507

Numbers that are the sum of six fifth powers in exactly two ways. A346357

a(n) = prime(n) * prime(n+2) - 2·prime(n+1). A152532

a(n) = ∑_k=1..n (-1)^k-1 * binomial(floor(n/k)+2,3). A366395

Number of partitions of n that do not contain 8 as a part. A27342

Numerator of the expected fraction of occupied places on n-length lattice randomly filled with 2-length segments. A307131

a(n) = numerator(6 * ∑_k=2..n 1/(binomial(2·k, k)*(k-1))). A145566

Coefficients in the expansion of ([r²] + [2r²]x + [3r²]x² + ...)/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = golden ratio = (1 + sqrt(5))/2. A279586

The n-th number m such that a nontrivial prime(n)-th root of unity modulo m exists. A305828

Numbers k such that the continued fraction for sqrt(k) has period 76. A20415