11114
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16674
- Proper Divisor Sum (Aliquot Sum)
- 5560
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5556
- Möbius Function
- 1
- Radical
- 11114
- 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
- Squares written in base 5.at n=28A001740
- Numbers k such that the continued fraction for sqrt(k) has period 49.at n=15A020388
- Numbers k such that 247*2^k+1 is prime.at n=22A032500
- Numbers whose set of base-10 digits is {1,4}.at n=31A032822
- Numbers whose maximal base-10 run length is 4.at n=13A033285
- Numbers having four 1's in base 10.at n=7A043496
- For each prime p take the sum of nonprimes < p.at n=38A045717
- Product of digits of n is a nonzero single-digit square.at n=45A050627
- Product of the digits of n divides the sum of the digits of n.at n=40A055931
- Expansion of series related to Liouville's Last Theorem: g.f. sum_{t>0} (-1)^(t+1) *x^(t*(t+1)/2) / ( (1-x^t)^4 *product_{i=1..t} (1-x^i) ).at n=22A059821
- a(n) = s(2*n) where s(0) = 0, s(1) = s(2) = 1, s(n) = abs(Sum_{k=2..n-1} (-1)^k * s(n-k) * s(k)).at n=42A072851
- n 1's followed by n.at n=3A075842
- Numbers k such that the "inventory" A063850 of k is a palindrome.at n=11A079466
- LookAndSay(n) is palindromic.at n=9A079676
- Lunar fourth powers: n*n*n*n, where * is lunar multiplication.at n=14A087051
- Indices of primes in sequence defined by A(0) = 83, A(n) = 10*A(n-1) + 43 for n > 0.at n=8A101077
- Smallest nonnegative integer whose standard American English name has n vowels.at n=13A102869
- 3-Smith numbers.at n=37A104391
- Near-repunit semiprimes.at n=24A105993
- Keep only the first digit of each integer and concatenate them. The result is the concatenation of all integers of the sequence.at n=21A106000