Properties of the Number -54287

Fifty-Four Thousand Two Hundred Eighty-Seven

Basics

Value: -54288 → -54287 → -54286

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 54287

Divisors: 1, 54287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101010000001111

Octal: -152017

Duodecimal: -274BB

Hexadecimal: -d40f

Square: 2947078369

Square Root: 232.99570811497796

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) = a(n-1) + a(n-3) + a(n-4), n >= 4, with initial terms 1,1,-2,-1. A111571

Primes of form p² - 2, where p is prime. A49002

Golden Triangle sums: a(n) = a(n-1) + A001654(n+1) with a(0)=0. A180664

Primes p of form q^k-2 where q is also a prime and k > 1. A53705

Primes of the form x² + y² + z, where x, y and z are three successive numbers. A95697

Let p_3,2(m) be the m-th prime == 2(mod 3). Then a(n) is the smallest p_3,2(m) such that the interval(p_3,2(m)*n, p_3,2(m+1)*n) contains exactly one prime == 2 (mod 3). A210467

a(n) = F(n+3) * F(n+1) + (-1)ⁿ where F(n) = A000045(n) are the Fibonacci numbers. A338225

Primes p such that the differences between p and the closest squares surrounding p are primes. A163848

Fajtlowicz p-primes. A185955

Numbers k such that 5·3^k - 2 is prime. A58591