Properties of the Number -1283

Two Hundred Eighty-Three

Basics

Value: -1284 → -1283 → -1282

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 1283

Divisors: 1, 1283

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100000011

Octal: -2403

Duodecimal: -8AB

Hexadecimal: -503

Square: 1646089

Square Root: 35.81898937714463

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 ∏_k>=1 (1 + x^k/(1 + x^2·k/(1 + x^3·k))). A327718

Floor of expansion (1+e·x)^π. A109272

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood. A272255

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood. A272458

Safe primes p: (p-1)/2 is also prime. A5385

Primes whose binary representation is also the decimal representation of a prime. A65720

Larger member p+4 of cousin primes (p, p+4). A46132

Partial sums of A299256. A299262

Primes that become another prime under the map 1 <-> 0 (acting on the digits: A222210), cf. A171013. A175791

a(1)=3, b(n) = ∏_k=1..n a(k), a(n+1) is the smallest prime factor of b(n)-1. A5265