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Properties of the Number 1188

One Thousand One Hundred Eighty-Eight

Basics

Value: 1187 → 1188 → 1189

Parity: even

Prime: No

Previous Prime: 1187

Next Prime: 1193

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 2 × 3 3 × 11

Divisors: 1, 2, 3, 4, 6, 9, 11, 12, 18, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010100100

Octal: 2244

Duodecimal: 830

Hexadecimal: 4a4

Square: 1411344

Square Root: 34.46737587922817

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) = n*(n+3). A28552
Numbers that are divisible by exactly 6 primes with multiplicity. A46306
A(n,k) is the n-th derivative of fk at x=1, and fk is the k-th of all functions that are representable as xx^...x with m>=1 x's and parentheses inserted in all possible ways; square array A(n,k), n>=0, k>=1, read by antidiagonals. A215703
Coordination sequence for "reo" 3D uniform tiling. A299279
Number of integer partitions of n such that every distinct submultiset has a different average. A316313
Numbers that are the sum of 10 positive 5th powers. A3355
a(n) = n*(3·n + 7)/2. A140090
a(n) = floor(n(n+2)(2n+1)/8). A2717
Multiples of 11 containing an 11 in their decimal representation. A121031
Multiples of 18 containing a 18 in their decimal representation. A121038