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Properties of the Number 11198

Eleven Thousand One Hundred Ninety-Eight

Basics

Value: 11197 → 11198 → 11199

Parity: even

Prime: No

Previous Prime: 11197

Next Prime: 11213

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 509

Divisors: 1, 2, 11, 22, 509, 1018, 5599, 11198

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101110111110

Octal: 25676

Duodecimal: 6592

Hexadecimal: 2bbe

Square: 125395204

Square Root: 105.82060290888538

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 S(k+2) = d(k)+2, where S(k) is the Kempner function (A002034) and d(k) is the number of divisors of k (A000005). A73535
Trajectory of 7 under repeated application of the map in A185452. A185455
The 5x + 1 sequence beginning at 7. A28389
Antidiagonal sums of the convolution array A213844. A213846
Number of minimal covers of an (n + 1)-set by a collection of n nonempty subsets, a(n) = A035348(n,n-1). A3469
The sequence b[n] defined in A126939. A126941
Row sums of triangle A137629. A137630
Number of words either empty or beginning with the first letter of the cyclic n-ary alphabet, where each letter of the alphabet occurs twice and letters of neighboring word positions are equal or neighbors in the alphabet. A208880
5x + 1 sequence beginning at 11. A259193
G.f.: ∏m>0 (1 - xm + 2!*x2·m - 3!*x3·m + 4!*x4·m). A293256