Properties of the Number 55866

Fifty-Five Thousand Eight Hundred Sixty-Six

Basics

Value: 55865 → 55866 → 55867

Parity: even

Prime: No

Previous Prime: 55849

Next Prime: 55871

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 9311

Divisors: 1, 2, 3, 6, 9311, 18622, 27933, 55866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101101000111010

Octal: 155072

Duodecimal: 283B6

Hexadecimal: da3a

Square: 3121009956

Square Root: 236.35989507528555

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) is the least k such that f(a(n-1)+1) + ... + f(k) > f(a(n-2)+1) + ... + f(a(n-1)) for n > 1, where f(n) = 1/(n+3) and a(1) = 1. A225918

"DHK[ n ](2n)" (bracelet, identity, unlabeled, n parts, evaluated at 2n) transform of 1,1,1,1,... A32250

Number of nondecreasing sequences of n 1..7 integers with no element dividing the sequence sum. A212867

G.f. A(x) satisfies: 1 = A(x) - x/(A(x) - 3·x/(A(x) - 5·x/(A(x) - 7·x/(A(x) - 9·x/(A(x) - ...))))), a continued fraction relation. A338632

Largest number that has the same number of digits in base 10 and base n, or 0 if no such number exists. A55866

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,4,1,0,1 for x=0,1,2,3,4. A197370