Properties of the Number -1927

Nine Hundred Twenty-Seven

Basics

Value: -1928 → -1927 → -1926

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 41 × 47

Divisors: 1, 41, 47, 1927

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110000111

Octal: -3607

Duodecimal: -1147

Hexadecimal: -787

Square: 3713329

Square Root: 43.89760813529594

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

Reversion of x*(1-2·x)/(1-3·x). A154825

a(n) = 11ⁿ - n¹¹. A24138

Series expansion of the reciprocal of the generating function of A068432. A207814

Triangle read by rows. Numerators of the coefficients of a sequence of rational polynomials r_n(x) with r_n(1) = B(2·n), where B(n) are the Bernoulli numbers. A356652

Number of compositions of n with distinct differences. A325545

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.3.4.3.4 2D tiling (cf. A219529). A299255

a(n) = n*(n + 6). A28560

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

Numerator of 1/9 - 1/n². A61039

a(n) = 2ⁿ - n². A24012