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Properties of the Number 2886

Two Thousand Eight Hundred Eighty-Six

Basics

Value: 2885 → 2886 → 2887

Parity: even

Prime: No

Previous Prime: 2879

Next Prime: 2887

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 13 × 37

Divisors: 1, 2, 3, 6, 13, 26, 37, 39, 74, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101101000110

Octal: 5506

Duodecimal: 1806

Hexadecimal: b46

Square: 8328996

Square Root: 53.72150407425317

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

Coordination sequence for "crs" 3D uniform tiling formed from tetrahedra and truncated tetrahedra. A299268
a(n) = 2·n2 - 2. A54000
Number of regions that the line segments in A091908(n) cut the equilateral triangle into. A92098
Numbers k such that k3 divides 5k2 - 1. A177905
T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281400
T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302381
Number of partitions of n into 9 squarefree parts. A326522
Number of partitions of n into 3 or more distinct parts. A347548
Least number of symbols required to fill a grid of size n2 X n2 row by row in the greedy way such that in no row or column or n X n square any symbol occurs twice. A292670
T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 0,1,0,0,0 for x=0,1,2,3,4. A197475