Properties of the Number -27230

Twenty-Seven Thousand Two Hundred Thirty

Basics

Value: -27231 → -27230 → -27229

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 7 × 389

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 389, 778

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101001011110

Octal: -65136

Duodecimal: -13912

Hexadecimal: -6a5e

Square: 741472900

Square Root: 165.01515081955353

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) = (2·4ⁿ*binomial(2·n, n) - binomial(4·n + 1, 2·n)) / (n + 1). A79489

Second column of triangular array in A079513. A79514

Numbers that are sums of 2 or more consecutive squares in more than 1 way. A62681

Numbers n for which φ(n) = φ(n-1) - φ(n+1). A220160

Expansion of ∏_k>=1 ((1 + k·x^k) / (1 - k·x^k))^k. A266942

Triangle arising from (4,2) tennis ball problem, read by rows. A78990

Absolute value of coefficient of x³ in polynomial whose zeros are 5 consecutive integers starting with the n-th integer. A127694

a(n) = 25·n² + 5. A158445

Expansion of 1/G(1) where G(k) = 1 - (q*(1+q))^k / G(k+1). A238436

Numbers that can be written as the sum of four or more consecutive squares in more than one way. A307937