11162
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16746
- Proper Divisor Sum (Aliquot Sum)
- 5584
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5580
- Möbius Function
- 1
- Radical
- 11162
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 130
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 6.at n=38A031419
- a(n) = floor ( n(n+1)(n+2)(n+3) / (n+(n+1)+(n+2)+(n+3)) ).at n=34A032767
- Becomes prime after exactly 7 iterations of f(x) = sum of prime factors of x.at n=19A047826
- Nearest integer to log(n^n)^(1 + log(1 + log(n))).at n=18A062450
- a(n) = floor(7^n/3^n).at n=11A094975
- Number of squares on infinite half chessboard at <=n knight moves from a fixed point on the edge.at n=40A098498
- Number of binary strings of length n having exactly one factorization as a concatenation of palindromes of length >= 2.at n=15A241211
- Number of maximal matchings in the wheel graph on n nodes.at n=24A284709
- Number of partitions of n-th triangular number (A000217) into distinct triangular parts.at n=39A288126
- Anagraprod Integers. Integers N that reproduce their multiset of digits when all the products of two successive digits of N are done (and considered together).at n=47A296451
- One of the three successive approximations up to 13^n for 13-adic integer 5^(1/3). This is the 8 (mod 13) case (except for n = 0).at n=4A320915
- Total surface area of all rectangular prisms with dimensions p X q X q, where p and q are prime, n = p+q and p<q.at n=43A335188
- Irregular triangle read by rows: T(n,k) is the total number of parts in all partitions with k designated summands of all positive integers <= n, with n >= 1, 1 <= k <= A003056(n).at n=41A389679