Properties of the Number 18293

Eighteen Thousand Two Hundred Ninety-Three

Basics

Value: 18292 → 18293 → 18294

Parity: odd

Prime: No

Previous Prime: 18289

Next Prime: 18301

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 1663

Divisors: 1, 11, 1663, 18293

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011101110101

Octal: 43565

Duodecimal: A705

Hexadecimal: 4775

Square: 334633849

Square Root: 135.25161736556055

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

Partial sums of A299291. A299292

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 20. A50969

Coefficients of the D-Dyson mod 27 identity. A104504

Semiprimes in A054552. A113690

Average number of binary strings of length n with Levenshtein distance <= 3 from a uniform randomly sampled binary string of this length, rounded to nearest integer. A332918

Number of Proth primes < 2ⁿ. A214120

Start with 1 and repeatedly reverse the digits and add 64 to get the next term. A118159

Divisors of 120. A18293

Triangle of rooted identity trees with n nodes and k leaves. A55327

a(n) is the number of transitive finite pure sets of depth at most n. A381080