Properties of the Number -7984

Nine Hundred Eighty-Four

Basics

Value: -7985 → -7984 → -7983

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 499

Divisors: 1, 2, 4, 8, 16, 499, 998, 1996, 3992, 7984

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111100110000

Octal: -17460

Duodecimal: -4754

Hexadecimal: -1f30

Square: 63744256

Square Root: 89.3532316147547

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

Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (9,n)-rectangular grid with k '1's and (9n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A228168

The magic constants of 6 X 6 magic squares composed of consecutive primes. A177434

Consecutive states of a linear congruential pseudo-random number generator (93·s+1) mod 2¹³ when started at s=1. A384126

Triangle read by rows: T(n,k) = number of functions from an n-element set into but not onto a k-element set. A101030

a(n) is the smallest positive d such that the n-th prime is the smallest prime p for which p+d is also prime. A101042

8-step Fibonacci sequence starting with 0,0,0,0,0,1,0,0. A251740

Number of ON cells at n-th stage in simple 2-dimensional cellular automaton (see Comments lines for definition). A256534

Numbers n that have an equal number of even and odd values of A001221(k) for 1 <= k <= n. A275547

Numerator of 2·Sum(C(n,w)/(2·w+1),w=0..n/2-1)+C(n,n/2)/(n+1) if n is even, or of 2·Sum(C(n,w)/(2·w+1),w=0..(n-1)/2) if n is odd. A85568

A101042 sorted. There exists a prime p for which a(n) is the smallest positive d such that p is the smallest prime where p+d is also prime. A101043