Properties of the Number 1199

One Thousand One Hundred Ninety-Nine

Basics

Value: 1198 → 1199 → 1200

Parity: odd

Prime: No

Previous Prime: 1193

Next Prime: 1201

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 × 109

Divisors: 1, 11, 109, 1199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010101111

Octal: 2257

Duodecimal: 83B

Hexadecimal: 4af

Square: 1437601

Square Root: 34.62657938636157

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

Toothpick sequence (see Comments lines for definition). A139250

Number of strict knapsack partitions of n. A275972

a(n) = ceiling((∑_k=1..n-1 a(k)) / 2) for n >= 2 starting with a(1) = 1. A73941

T(n,m) = number of 0..m-1 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1. A171307

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

Multiples of 11 containing an 11 in their decimal representation. A121031

Number of normal multiset partitions of weight n where every part has the same sum. A326518

a(n) = 2·n² + 2·n - 1. A142463

Numbers whose sum of digits is 20. A235229

Triangle [1,1,1,0,0,0,...] δ [1,0,0,0,...] with Deléham δ defined in A084938. A147703