Properties of the Number 27398

Twenty-Seven Thousand Three Hundred Ninety-Eight

Basics

Value: 27397 → 27398 → 27399

Parity: even

Prime: No

Previous Prime: 27397

Next Prime: 27407

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 19 × 103

Divisors: 1, 2, 7, 14, 19, 38, 103, 133, 206, 266

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110101100000110

Octal: 65406

Duodecimal: 13A32

Hexadecimal: 6b06

Square: 750650404

Square Root: 165.5234122412899

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 odd-length integer partitions of n with integer alternating product. A347444

Numbers k such that lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k). A112818

a(n) = ∑_k=0..n binomial(4·n+3·k,n-k). A390409

Number of (w,x,y) with all terms in {0,...,n} and even range. A212975

Integers n > 1 such that A130280(4n²) < n, i.e., there is an m < n, m > 1 such that 4n²(m² - 1) + 1 is a square. A130281

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 173", based on the 5-celled von Neumann neighborhood. A270467

∑_n>=0 a(n) * xⁿ / (n!)² = exp(-x) * BesselI(0,2·sqrt(x))². A336634

The five digits of a(n) and their four successive absolute first differences are all distinct. A365257

Least b > 1 such that (b^prime(n²) - 1)/(b^prime(n) - 1) is prime. A353101

Number of labeled servers of dimension 11. A27398