3227
domain: N
Properties
Digital Properties
- Digit Count
- 4
- 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
- 3696
- Proper Divisor Sum (Aliquot Sum)
- 469
- 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
- 2760
- Möbius Function
- 1
- Radical
- 3227
- 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
- 105
- 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
- no
- Odd
- yes
Appears in sequences
- Coordination sequence T3 for Zeolite Code -WEN.at n=41A009864
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = NU-87 H4[Al4Si64O136].nH2O starting with a T6 atom.at n=11A019207
- T(n, 2*n-3), T given by A027960.at n=24A027965
- Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 7.at n=39A031410
- Number of quaternary codes of length 4 with n words.at n=5A034235
- Number of quaternary codes (not necessarily linear) of length n with 5 words.at n=3A034242
- Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 3 (mod 5).at n=38A035564
- Number of partitions of n into parts not of the form 15k, 15k+4 or 15k-4. Also number of partitions with at most 3 parts of size 1 and differences between parts at distance 6 are greater than 1.at n=30A035958
- Denominators of continued fraction convergents to sqrt(292).at n=6A041549
- a(n)=(s(n)+2)/8, where s(n)=n-th base 8 palindrome that starts with 6 (in base 8), written in decimal digits.at n=37A043070
- Numbers n such that string 2,7 occurs in the base 10 representation of n but not of n-1.at n=35A044359
- Numbers n such that string 2,7 occurs in the base 10 representation of n but not of n+1.at n=35A044740
- Discriminants of imaginary quadratic fields with class number 14 (negated).at n=35A046011
- Numbers n such that 109*2^n-1 is prime.at n=6A050580
- Smallest value of x such that M(x) = n, where M() is Mertens's function A002321.at n=13A051400
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 16.at n=28A051981
- Concatenation of n in base 10 down up to base 2 is prime, all numbers are interpreted as decimals.at n=30A054257
- Coordination sequence T2 for Zeolite Code SAS.at n=43A057313
- Semiprimes p1*p2 such that p2 mod p1 = 6, with p2 > p1.at n=35A064904
- Arithmetic derivative of n*prime(n).at n=48A068981