Properties of the Number 11825

Eleven Thousand Eight Hundred Twenty-Five

Basics

Value: 11824 → 11825 → 11826

Parity: odd

Prime: No

Previous Prime: 11821

Next Prime: 11827

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 11 × 43

Divisors: 1, 5, 11, 25, 43, 55, 215, 275, 473, 1075

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111000110001

Octal: 27061

Duodecimal: 6A15

Hexadecimal: 2e31

Square: 139830625

Square Root: 108.74281585465772

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

a(n) = n*(13·n - 9)/2. A226488

Number of integer partitions of n with all distinct lengths of maximal gapless runs (decreasing by 0 or 1). A384884

Numbers k such that the Lucas Aurifeuillian primitive part A of Lucas(k) is prime. A61442

a(n) = ∑_i=1..n ∑_j=1..i (prime(i) - prime(j)). A62020

a(n) = (3ⁿ + φ^n-1 + (-φ)^1-n) / 5, where φ denotes the golden ratio A001622. A98703

Expansion of (1+3·x)/(1-x²-2·x³). A159285

Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals rooted at a cell up to rotation and reflection. A3452

Integers k such that Euler(k, 1) is an integer multiple of Bernoulli(k + 1, 1). A342320

Smallest positive integer whose smallest coprime divisor shift is n. A366219

Expansion of 1/((1-2x)(1+x²)(1-x-2x³)). A3477