Properties of the Number 27216

Twenty-Seven Thousand Two Hundred Sixteen

Basics

Value: 27215 → 27216 → 27217

Parity: even

Prime: No

Previous Prime: 27211

Next Prime: 27239

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ⁵ × 7

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110101001010000

Octal: 65120

Duodecimal: 13900

Hexadecimal: 6a50

Square: 740710656

Square Root: 164.97272501841024

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

Triangle read by rows: T(n, k) = (k+1)*A132393(n+1, k+1), for 0 <= k <= n. A28421

Triangle, read by rows, of coefficients of the hyperbinomial transform. A88956

Determinant of n X n matrix whose rows are cyclic permutations of 1..n. A52182

Irregular triangle read by rows: T(n,k) = number of elements of order k in symmetric group S_n, for n >= 1, 1 <= k <= g(n), where g(n) = A000793(n) is Landau's function. A57731

Numbers with an even number of prime factors (counted with multiplicity) that can be factored into squarefree semiprimes (A320911) but cannot be factored into distinct semiprimes (A320892). A320893

Sum of the first n nonzero tribonacci numbers, in ascending order, as bases, with the same, in descending order, as exponents. A113153

Stirling2 triangle with scaled diagonals (powers of 2). A75497

Triangle read by rows: T(n, k) = n·binomial(n, k)*A000757(k), 0 <= k <= n. A233440

Table T(k, n) of smallest bases b > 1 such that p = prime(n) satisfies b^p-1 == 1 (mod p^k), read by antidiagonals. A257833

a(n) is the concatenation of n and 8n. A9470