Properties of the Number -1115

One Hundred Fifteen

Basics

Value: -1116 → -1115 → -1114

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 5 × 223

Divisors: 1, 5, 223, 1115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001011011

Octal: -2133

Duodecimal: -78B

Hexadecimal: -45b

Square: 1243225

Square Root: 33.391615714128

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) is the minimal determinant of an n X n Hankel matrix using the first 2·n - 1 prime numbers. A369946

A Chebyshev transform of A057083. A99446

Values of n such that L(5) and N(5) 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. A226925

Values of n such that L(15) and N(15) 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. A227518

Numbers that are divisible by the product of their digits. A7602

Describe n. Also called the "Say What You See" or "Look and Say" sequence LS(n). A45918

Numbers m such that the Bernoulli number B_2·m has denominator 66. A51229

List of free polyominoes in binary coding, ordered by number of bits, then value of the binary code. Can be read as irregular table with row lengths A000105 (in which case the offset is 0). A246521

Numbers that are the sum of 9 positive 6th powers. A3365

Number of partitions of n into at most 5 parts. A1401