Properties of the Number 11384

Eleven Thousand Three Hundred Eighty-Four

Basics

Value: 11383 → 11384 → 11385

Parity: even

Prime: No

Previous Prime: 11383

Next Prime: 11393

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 1423

Divisors: 1, 2, 4, 8, 1423, 2846, 5692, 11384

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001111000

Octal: 26170

Duodecimal: 6708

Hexadecimal: 2c78

Square: 129595456

Square Root: 106.69582934679312

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

T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero. A199832

Numerators of coefficients of expansion of arctan(x)² = x² - 2/3·x⁴ + 23/45·x⁶ - 44/105·x⁸ + 563/1575·x¹⁰ - 3254/10395·x¹² + ... A2428

Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having exactly k entries that are midpoints of 321 patterns (0 <= k <= n-2 for n >= 2; k=0 for n=1). A145879

Least k such that prime(n) is the smallest prime p for which k² + p² is also prime, or 0 if none. A263466

Consecutive internal states of the linear congruential pseudo-random number generator (171·s + 11213) mod 53125 when started at 1. A385039

Expansion of sum ( qⁿ / product( 1-q^k, k=1..3·n), n=0..inf ). A35295

Triangle of the numerators of coefficients c(n,k) = [x^k] P(n,x) of some polynomials P(n,x). A141904

Binary widths of the terms of A072654. A72655

E.g.f. exp(∑_d∣M (exp(d·x)-1)/d), M=14. A141010

Number of 4-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal. A209345