Properties of the Number -1171

One Hundred Seventy-One

Basics

Value: -1172 → -1171 → -1170

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 1171

Divisors: 1, 1171

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010010011

Octal: -2223

Duodecimal: -817

Hexadecimal: -493

Square: 1371241

Square Root: 34.219877264537345

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·a(n-1) + a(n-2) + a(n-3), a(0) = -1, a(1) = 3, a(2) = -9. A321173

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 393", based on the 5-celled von Neumann neighborhood. A271605

a(1) = 1; a(n) = -∑_k=1..n a(k/gcd(n,k)). A343762

Prime-indexed primes: primes with prime subscripts. A6450

Primes p such that 2p-1 is also prime. A5382

Primes of the form 10·n+1. A30430

Number of partitions of n into nonprime parts. A2095

Primes == 3 (mod 8). A7520

Primes p such that q = (p² + 1)/2 is also a prime. A48161

Primes congruent to 1 or 19 (mod 30). A33212