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Properties of the Number -7184

One Hundred Eighty-Four

Basics

Value: -7185 → -7184 → -7183

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 4 × 449

Divisors: 1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1110000010000

Octal: -16020

Duodecimal: -41A8

Hexadecimal: -1c10

Square: 51609856

Square Root: 84.75848040166836

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(1) = 1, a(n+1) is the sum of a(n) and ceiling( arithmetic mean of a(1) ... a(n) ). A65095
Integers that need 7 iterations of the map x->A352172(x) to reach 1. A352265
A185243(n) is the a(n)-th triangular number. A185257
a(n) is the number of coverings of 1..n by cyclic words of length 3, such that each value from 1 to n appears precisely 3 times. That is, the union of all the letters in all of the words of a given covering is the multiset {1,1,1,2,2,2,...,n,n,n}. Repeats of words are allowed in a given covering. A108242
Total number of even parts in the last section of the set of partitions of n. A206434
Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 3. A209986
a(n) = ∑i=0..n digsum8(i)3, where digsum8(i) = A053829(i). A231682
Binary representation of base-(i-1) expansion of -n: replace i-1 with 2 in base-(i-1) expansion of -n. A256441
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. A271602
Numbers k with exactly two distinct prime divisors and such that cototient(k) is a square, where: k = p2s * q2t+1 with s >= 1, t >= 0, p <> q primes and such that p * (p+q-1) = M2. A323918