Properties of the Number 55198

Fifty-Five Thousand One Hundred Ninety-Eight

Basics

Value: 55197 → 55198 → 55199

Parity: even

Prime: No

Previous Prime: 55171

Next Prime: 55201

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 13 × 193

Divisors: 1, 2, 11, 13, 22, 26, 143, 193, 286, 386

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011110011110

Octal: 153636

Duodecimal: 27B3A

Hexadecimal: d79e

Square: 3046819204

Square Root: 234.94254616820683

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

Eight white kings and one red king on a 3 X 3 chessboard. G.f.: 1/(1-3·x-5·x²+4·x³). A179610

Number of base 10 circular n-digit numbers with adjacent digits differing by 2 or less. A124852

a(n) = cpg(n, 3) + cpg(n, 4) + ... + cpg(n, n) where cpg(n, m) is the m-th n-th-order centered polygonal number. A257051

Even elements to right of central elements in 3-Pascal triangle A028262. A28273

Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 4 1s. A295200

Numbers k such that 309·2^k+1 is prime. A323144

Distinct even elements in 3-Pascal triangle A028262 (by row). A28269

Convolution of nonzero octagonal numbers (A000567) with themselves. A276159

Nonprime numbers k for which k·k' is a palindrome, where k' is the arithmetic derivative of k (A003415). A359331

Array read by antidiagonals: T(m,n) = number of m-ary words of length n with cyclically adjacent elements differing by 2 or less. A285280