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Properties of the Number 1166

One Thousand One Hundred Sixty-Six

Basics

Value: 1165 → 1166 → 1167

Parity: even

Prime: No

Previous Prime: 1163

Next Prime: 1171

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 11 × 53

Divisors: 1, 2, 11, 22, 53, 106, 583, 1166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001110

Octal: 2216

Duodecimal: 812

Hexadecimal: 48e

Square: 1359556

Square Root: 34.14674215792775

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

Heptagonal (or 7-gonal) pyramidal numbers: a(n) = n*(n+1)*(5·n-2)/6. A2413
Number of integer partitions of n such that the greatest part is the unique mode. A362612
Multiples of 11 containing an 11 in their decimal representation. A121031
a(n) = ∑k=1..n lcm(n,k)/n. A57661
a(n) = n*(n+9)/2. A56000
Generalized 23-gonal (or icositrigonal) numbers: m*(21·m - 19)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303303
Number of partitions of n such that 2*(greatest part) = (number of parts). A237753
Numbers k such that k2 has an odd number of digits and the middle digit is 9. A279429
Numbers that are the sum of 3 nonzero squares in 9 or more ways. A25337
Numbers k such that 10k+9k-1 is prime. A96186