Properties of the Number 886

Eight Hundred Eighty-Six

Basics

Value: 885 → 886 → 887

Parity: even

Prime: No

Previous Prime: 883

Next Prime: 887

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 443

Divisors: 1, 2, 443, 886

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110110

Octal: 1566

Duodecimal: 61A

Hexadecimal: 376

Square: 784996

Square Root: 29.765752132274432

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

Numbers k such that (68·10^k + 7)/3 is prime. A270613

Numbers k such that (8·10^k + 49)/3 is prime. A270890

Coordination sequence for "reo-e" 3D uniform tiling. A299281

Numbers whose Matula tree is a binary tree (i.e., root has degree 2 and all nodes except root and leaves have degree 3). A111299

a(n) = 4·n² - 9·n + 6. A54556

Indices in A146326 where records occur. A146345

Define an array as follows: b(i,0)=b(0,j)=1, b(i,j) = 2·b(i-1,j-1) + b(i-1,j) + b(i,j-1). Then a(n) = b(n,n). A69835

Pascal-(1,2,1) array read by antidiagonals. A81577

Numbers k such that there is exactly one prime-power between prime(k)+1 and prime(k+1)-1. A377287

Numbers k such that 2^k + 9 is prime. A57196