11994
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 24000
- Proper Divisor Sum (Aliquot Sum)
- 12006
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 3996
- Möbius Function
- -1
- Radical
- 11994
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- 50
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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 there is a bigger number m satisfying A000203(k) = A000203(m) = m + k - gcd(m,k).at n=27A124140
- Composite numbers, not ending with 0, sharing a 3-digit sequence with some of its prime factors.at n=9A131523
- Weak Goodstein sequence starting at 11.at n=39A137411
- A104449(n+1)+prime(n), sum of a Lucas and the prime sequence.at n=17A160244
- Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=5A207677
- Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=5A207680
- Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=5A207686
- Number of 6-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n.at n=11A208973
- Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and -1<=w+x+y<=1.at n=37A211615
- Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=4A222476
- T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=40A222479
- a(n) = 27*n^2/2 + 45*n/2 - 12 (n>=1).at n=28A304375
- Matula-Goebel numbers of semi-lone-child-avoiding rooted identity trees.at n=34A331963
- Number of integer partitions of n whose mean is not an integer.at n=34A349156
- a(n) = prime(n)^2 + prime(n+1).at n=28A352851
- Numbers whose square and cube taken together contain each decimal digit at least twice.at n=2A363909
- Numbers whose second arithmetic derivative (A068346) is a primorial number (A002110) > 1.at n=14A368702