Properties of the Number 27897

Twenty-Seven Thousand Eight Hundred Ninety-Seven

Basics

Value: 27896 → 27897 → 27898

Parity: odd

Prime: No

Previous Prime: 27893

Next Prime: 27901

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 547

Divisors: 1, 3, 17, 51, 547, 1641, 9299, 27897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110011111001

Octal: 66371

Duodecimal: 14189

Hexadecimal: 6cf9

Square: 778242609

Square Root: 167.02395037838136

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) is the coefficient of xⁿ in the polynomial given by ∏_k>=1 (1 + prime(k)*x^k). A147655

Beginning with 3, least number such that concatenation of first n terms and its digit reversal both are primes. A111382

Blasius sequence: from coefficients in expansion of solution to Blasius's equation in boundary layer theory. A18893

Generalized Blasius numbers, square array read by ascending antidiagonals, A(n, k) for n, k >= 0. A309522

O.g.f. A(x) satisfies: [xⁿ] exp( n·x*A(x) ) * (n + 1 - A(x)) = 0 for n >= 0. A305110

Divisors of 10¹² - 1. A27897

Number of length n+3 0..5 arrays with some disjoint pairs in every consecutive four terms having the same sum. A247530