Properties of the Number 12198

Twelve Thousand One Hundred Ninety-Eight

Basics

Value: 12197 → 12198 → 12199

Parity: even

Prime: No

Previous Prime: 12197

Next Prime: 12203

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 19 × 107

Divisors: 1, 2, 3, 6, 19, 38, 57, 107, 114, 214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111110100110

Octal: 27646

Duodecimal: 7086

Hexadecimal: 2fa6

Square: 148791204

Square Root: 110.4445562261898

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

Semi-meanders: number of ways a semi-infinite directed curve can cross a straight line n times. A682

Multiples of 19 containing a 19 in their decimal representation. A121039

The η triangle. A160464

Number of distinct values of multinomial coefficients ( n / (p1, p2, p3, ...) ) where (p1, p2, p3, ...) runs over all partitions of n. A70289

Sum of the sixth largest parts of the partitions of n into 10 squarefree parts. A326632

Number of connected induced nonempty non-singleton subgraphs of labeled connected graphs with n vertices. A317632

Number of self-avoiding polygons with perimeter 2·n and sides = 1 that have vertex angles from the set 0, +-π/4, +-π/2, +-3*π/4, not counting rotations and reflections as distinct. A316198

Least number of Sort-then-add persistence n. A33863

a(n) = 81·n² - 118·n + 43. A156677

Numbers k such that the period of 1/k when expanded in golden ratio base is palindromic. A382176