Properties of the Number 11382

Eleven Thousand Three Hundred Eighty-Two

Basics

Value: 11381 → 11382 → 11383

Parity: even

Prime: No

Previous Prime: 11369

Next Prime: 11383

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 271

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 271, 542

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001110110

Octal: 26166

Duodecimal: 6706

Hexadecimal: 2c76

Square: 129549924

Square Root: 106.68645649753299

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

Starting from generation 8 add previous and next term yielding generation 9. A48455

Number of pentagonal regions in regular n-gon with all diagonals drawn. A67152

Number of sums S of distinct positive integers satisfying S <= n. A26906

Numbers which are the sum of their proper divisors containing the digit 9. A59468

Largest number not the sum of distinct n-th-order polygonal numbers. A7419

a(n) = n * ∑_d∣n binomial(d+3,4)/d. A343545

For any circular arrangement of 0..n-1, let S = sum of squares of every sum of two contiguous numbers; then a(n) = # of distinct values of S. A7773

Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = (1/x)*(1-x)ⁿ*(1+x)ⁿ⁺²*( ∑_{j >= 0} jⁿ⁺¹*x^j ), read by rows. A165891

Expansion of 1/(1 - 4·x/(1-x)²)^3/2. A377198

a(n) = n*(29·n + 1)/2. A22287