Properties of the Number 12199

Twelve Thousand One Hundred Ninety-Nine

Basics

Value: 12198 → 12199 → 12200

Parity: odd

Prime: No

Previous Prime: 12197

Next Prime: 12203

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 1109

Divisors: 1, 11, 1109, 12199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111110100111

Octal: 27647

Duodecimal: 7087

Hexadecimal: 2fa7

Square: 148815601

Square Root: 110.44908329180464

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 number of n-tosses having a run of 4 or more heads for a fair coin (i.e., probability is a(n)/2ⁿ). A50232

Matrix square of triangle A113340. A113345

Number of integer partitions of n with a unique non-co-mode. A363129

Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 4. A244533

Number of orbits of size 2n in vertex graph of Lucas cube Lambda_n. A250115

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - b(n-2) + 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4. A294422

Number of partitions satisfying 0 < cn(1,5) + cn(4,5) + cn(2,5) and 0 < cn(1,5) + cn(4,5) + cn(3,5). A39902

Smallest number that is not a sum of at most one power of each of the numbers 1 through n. A47870

Numbers k such that both ∑_i=1..k i·prime(i) and ∑_i=1..k (k+1-i)*prime(i) are prime. A356178

Expansion of (1/x) * Series_Reversion( x * (1+x) / (1+x+x³)² ). A372375