11200
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 4
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 42
- Divisor Sum
- 31496
- Proper Divisor Sum (Aliquot Sum)
- 20296
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3840
- Möbius Function
- 0
- Radical
- 70
- Omega Function (Ω)
- 9
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 86
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- Almost trivalent maps.at n=2A002010
- Theta series of {D_7}^{+} packing.at n=55A008435
- Erroneous version of A307102.at n=28A019513
- Number of permutations of n elements containing a 3-cycle.at n=8A027617
- Expansion of 1/((1-4x)(1-6x)(1-10x)(1-12x)).at n=3A028143
- Numbers in which 0,1,2,3,4,5 all occur in base 6.at n=34A031947
- a(n) = 7*n^2.at n=40A033582
- Reverse and add (in base 3).at n=14A035523
- Numbers whose base-7 representation contains exactly four 4's.at n=16A043412
- Digitally balanced numbers in base 6: equal numbers of 0's, 1's, ..., 5's.at n=34A049357
- Generalized Stirling number triangle of the first kind.at n=25A051187
- Number of nested algorithms a(m,n) where m is the number of items in a contaminated group and n is the total number of unclassified items (0 <= m <= n) (values read by antidiagonals).at n=21A055633
- Numbers k such that sigma(x) = k has exactly 10 solutions.at n=16A060666
- Multiples of 4 whose digits add to 4.at n=16A063997
- a(n) = 28*n^2.at n=20A064763
- Numbers k such that A069088(k) divides k.at n=35A069145
- Numbers k such that gcd(d(k^3), d(k)) is not a power of 2.at n=34A069781
- Numbers divisible by the cube of the sum of their digits in base 10.at n=17A072082
- Triangle of coefficients of Bateman polynomial n!Z_n(-x).at n=18A073768
- Numbers k such that A074037(k) = A002034(k).at n=19A074055