Properties of the Number 27389

Twenty-Seven Thousand Three Hundred Eighty-Nine

Basics

Value: 27388 → 27389 → 27390

Parity: odd

Prime: No

Previous Prime: 27367

Next Prime: 27397

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 61 × 449

Divisors: 1, 61, 449, 27389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101011111101

Octal: 65375

Duodecimal: 13A25

Hexadecimal: 6afd

Square: 750157321

Square Root: 165.4962235218677

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

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

Expansion of q^-1/3 * (η(q) * η(q⁹))² / η(q³)⁴ in powers of q. A192329

Numerators of the partial sums of the reciprocals of the 3rd Piltz function d₃(n) (A007425). A379357

Coefficients of modular function G₄(τ). A5762

Triangle read by rows: T(n,k) is the number of Motzkin paths of length n having trapezoid weight k. A104573

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 865", based on the 5-celled von Neumann neighborhood. A273701

Write decimal digits for n, count endpoints (version 4). A27389