Properties of the Number -2884

Eight Hundred Eighty-Four

Basics

Value: -2885 → -2884 → -2883

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7 × 103

Divisors: 1, 2, 4, 7, 14, 28, 103, 206, 412, 721

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -101101000100

Octal: -5504

Duodecimal: -1804

Hexadecimal: -b44

Square: 8317456

Square Root: 53.70288632839021

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·n² + 12·n - 14. A147973

Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=1, k=-1 and l=0. A176855

Third spoke of a hexagonal spiral. A56107

Numbers k such that k¹²⁸ + 1 is prime. A56994

Numbers n such that Bernoulli number B_n has denominator 870. A272185

Expansion of 1/(1 - x + x² - x³ - x⁶ - x⁹ + x¹⁰ - x¹¹ + x¹²). A225499

Numbers m such that there are precisely 9 groups of order m. A249552

Triangle, read by rows, where the n-th row lists the (2n+1) coefficients of (1+x+2x²)ⁿ for n >= 0. A84600

Total number of largest parts in all partitions of n into odd parts. A92311

T(n,k) = number of n X k 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A223838