Properties of the Number -2915

Nine Hundred Fifteen

Basics

Value: -2916 → -2915 → -2914

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 11 × 53

Divisors: 1, 5, 11, 53, 55, 265, 583, 2915

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101100011

Octal: -5543

Duodecimal: -182B

Hexadecimal: -b63

Square: 8497225

Square Root: 53.99073994677235

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

Values of n such that L(4) and N(4) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226924

Values of n such that L(16) and N(16) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227519

a(n) = 4·n² - 1. A466

Lucas-Carmichael numbers: squarefree composite numbers k such that p | k => p+1 | k+1. A6972

Partial sums of primes, if 1 is regarded as a prime (as it was until quite recently, see A008578). A14284

Fourth spoke of a hexagonal spiral. A56108

a(n) = n² - 2·n. A67998

Number of primes < prime(n)². A879

Numbers n such that φ(n,x) is a flat cyclotomic polynomial of order three. A117223

a(n) = (4·n+1)*(4·n+3). A1539