Properties of the Number 27916

Twenty-Seven Thousand Nine Hundred Sixteen

Basics

Value: 27915 → 27916 → 27917

Parity: even

Prime: No

Previous Prime: 27901

Next Prime: 27917

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 997

Divisors: 1, 2, 4, 7, 14, 28, 997, 1994, 3988, 6979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110100001100

Octal: 66414

Duodecimal: 141A4

Hexadecimal: 6d0c

Square: 779303056

Square Root: 167.0808187674456

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

Expansion of (1/x) * Series_Reversion( x*(1-x)/(1+x)⁴ ). A365754

G.f.: ∑_{n >= 1} xⁿ/(1-xⁿ)⁵. A73570

Number array whose rows are the series reversions of x(1-x)/(1+x)^k, read by antidiagonals. A107111

a(n) = ∑_d∣n (-1)^n/d-1 * binomial(d+3,4). A366814

Potential magic constants of a 10 X 10 magic square composed of consecutive primes. A192087

Least k such that 1+2+...+k >= E{1,2,...,n}, where E = 2nd elementary symmetric function. A27916