Properties of the Number 13943

Thirteen Thousand Nine Hundred Forty-Three

Basics

Value: 13942 → 13943 → 13944

Parity: odd

Prime: No

Previous Prime: 13933

Next Prime: 13963

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 73 × 191

Divisors: 1, 73, 191, 13943

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011001110111

Octal: 33167

Duodecimal: 809B

Hexadecimal: 3677

Square: 194407249

Square Root: 118.0804810288305

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

Palindromic numbers in bases 3 and 9 written in base 10. A259386

Prefixing, suffixing or inserting a 9 in the number anywhere gives a prime. A69833

Expansion of (1-x+19·x³-3·x⁴)/(1-x)³. A195241

Least multiple of prime(n) ending in digits of n. A114012

(p² - 3)/2 for odd primes p. A243887

Indices of primes in sequence defined by A(0) = 73, A(n) = 10·A(n-1) + 53 for n > 0. A101151

Number of length n+4 0..1 arrays with at most one downstep in every 4 consecutive neighbor pairs. A255988

Number of GP-posets (gluing-parallel posets) with n points. A345673

Triangular array T(n, k) read by rows: denominators of the coefficients for the iterated exponential F^r(x) = x + ∑_n>=1 xⁿ⁺¹*∑_k=1..n r^n+1-k*T(n, k)/A381931(n, k) with F¹(x) = exp(x)-1 and F²(x) = exp(exp(x)-1)-1. A381932

Convolution of A023531 and Fibonacci numbers. A23557