Properties of the Number 18344

Eighteen Thousand Three Hundred Forty-Four

Basics

Value: 18343 → 18344 → 18345

Parity: even

Prime: No

Previous Prime: 18341

Next Prime: 18353

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 2293

Divisors: 1, 2, 4, 8, 2293, 4586, 9172, 18344

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011110101000

Octal: 43650

Duodecimal: A748

Hexadecimal: 47a8

Square: 336502336

Square Root: 135.4400236266961

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

Number of partitions of n where the difference between consecutive parts is at most 9. A238869

Numbers k such that k·2^m-1 are composites for all exponents m in the range 0<=m<=k. A61154

Number of partitions of n such that the number of parts or the number of distinct parts is a part. A241381

Number of days after Mar 01 00 such that the date written the format MMDDYY (American standard, short) is palindromic. A210894

Number of partitions of n such that m(2) > m(3), where m = multiplicity. A240065

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. (1 - (k-1)*log(1 + x))/(1 - k·log(1 + x)). A334369

a(n) is the number of cubic polynomials with coefficients in {-n, ..., n}, positive leading coefficient, and having three rational roots. A392944

a(0) = a(1) = 1; a(n) = a(n-1) + a(n-2) + ∑_k=0..n-1 a(k) * a(n-k-1). A307733

Number of (n+1) X (n+1) 0..2 arrays with the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237629

Number of (n+1)X(7+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237636