Properties of the Number 13843

Thirteen Thousand Eight Hundred Forty-Three

Basics

Value: 13842 → 13843 → 13844

Parity: odd

Prime: No

Previous Prime: 13841

Next Prime: 13859

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 109 × 127

Divisors: 1, 109, 127, 13843

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011000010011

Octal: 33023

Duodecimal: 8017

Hexadecimal: 3613

Square: 191628649

Square Root: 117.65627905046122

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) = prime(n)*prime(n+2). A90076

When expressed in base 3 and then interpreted in base 5, is a multiple of the original number. A62864

Quasi-Carmichael numbers to exactly two bases. A257752

Largest squarefree number k such that Q(sqrt(-k)) has class number n. A38552

Sequence of pairwise relatively prime numbers of class P₄ (see comment in A275246). A275248

S₉ sequence in partition of integers > 1 described in A240521. A240536

Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly two bit positions. A261074

After the initial 1, numbers k such that A347381 obtains its minimum value at k, of all the divisors d of k larger than one, where A347381 is the distance from n to the nearest common ancestor of n and σ(n) in the Doudna-tree (A005940). A374218

a(1) = 1; for n > 1, a(n) is the least odd number k such that A325567(k) = 2·n-1, or 0 if no such number exists. A379128

"DHK" (bracelet, identity, unlabeled) transform of 3,3,3,3,... A32253