3322
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 5472
- Proper Divisor Sum (Aliquot Sum)
- 2150
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1500
- Möbius Function
- -1
- Radical
- 3322
- 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
- 136
- 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
- a(n) = round(1000*log_2(n)).at n=9A004266
- a(n) = ceiling(1000*log_2(n)).at n=9A004267
- Coordination sequence T5 for Zeolite Code AET.at n=40A008011
- Coordination sequence T2 for Zeolite Code AWW.at n=41A008046
- Coordination sequence T2 for Zeolite Code LAU.at n=41A008125
- Coordination sequence T8 for Zeolite Code MFS.at n=36A008180
- Coordination sequence T5 for Zeolite Code NON.at n=35A008216
- a(n) = floor( n*(n-1)*(n-2)*(n-3)/28 ).at n=19A011938
- Numbers k such that the continued fraction for sqrt(k) has period 40.at n=23A020379
- Number of 10's in all partitions of n.at n=36A024794
- a(n) = least m such that if r and s in {1/1, 1/3, 1/5,..., 1/(2n-1)} satisfy r < s, then r < k/m < s for some integer k.at n=46A024819
- a(n) = Sum_{i=0..n} Sum_{j=0..n} T(i,j), T given by A026758.at n=10A026767
- a(n) = diagonal sum of right-justified array T given by A027052.at n=11A027070
- Numbers k such that 27*2^k+1 is prime.at n=25A032363
- Numbers using only digits 2 and 3.at n=26A032810
- Every run of digits of n in base 10 has length 2.at n=29A033008
- Numbers whose base-10 expansion has no run of digits with length < 2.at n=40A033023
- Numbers n with property that n is a substring of its base 4 representation.at n=6A038104
- Coordination sequence T4 for Zeolite Code AFN.at n=41A038404
- a(n) = (9*n^2 + 3*n + 2)/2.at n=27A038764