11246
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16872
- Proper Divisor Sum (Aliquot Sum)
- 5626
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5622
- Möbius Function
- 1
- Radical
- 11246
- 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
- 60
- 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
- Number of symmetric plane partitions of n.at n=35A005987
- Number of partitions of n with equal nonzero number of parts congruent to each of 0, 2 and 4 (mod 5).at n=55A035586
- Number of partitions of n into parts not of the form 23k, 23k+8 or 23k-8. Also number of partitions with at most 7 parts of size 1 and differences between parts at distance 10 are greater than 1.at n=34A035996
- Numbers whose base-4 representation contains exactly four 2's and three 3's.at n=8A045156
- Number of nonprimes <= prime(n)^2.at n=29A053683
- Numbers k such that A001414(k) is a square and sets a new record for squares.at n=25A064463
- Numbers k such that prime(k)^3 == prime(k+1)^3 (mod k).at n=13A067785
- Triangle read by rows: T(n,k) is the number of deco polyominoes of height n and having k columns of even length (0 <= k < n). A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.at n=30A121748
- Number of j-sets in symmetric group S_n.at n=16A125548
- n^2 + {1,3,7} are primes.at n=32A182238
- a(n) = Sum_{k=0..n} binomial(n,k)^3 * k!.at n=5A216831
- Convolution of level 2 of the divisor function.at n=43A218276
- Number of partitions p of n such that 2*min(p) + (number of parts of p) is not a part of p.at n=33A238542
- Number of partitions of n containing 2*h as a part, where h is the number of distinct parts.at n=44A239947
- Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no 2-cycles and with no more than 4-1 elements moved to themselves.at n=4A271848
- T(n,k)=Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no 2-cycles and with no more than k-1 elements moved to themselves.at n=32A271852
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 219", based on the 5-celled von Neumann neighborhood.at n=13A279958
- Partial sums of A033617.at n=28A299903
- Number of trees with positive integer edge labels summing to n.at n=11A304914
- Expansion of Sum_{k>=1} x^k*(1 + x^k)/(1 - x^k)^4.at n=29A320941