3404
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 6384
- Proper Divisor Sum (Aliquot Sum)
- 2980
- 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
- 1584
- Möbius Function
- 0
- Radical
- 1702
- Omega Function (Ω)
- 4
- 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
- 61
- 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
- Number of binary partitions: number of partitions of 2n into powers of 2.at n=38A000123
- a(n) = n*(5*n - 1)/2.at n=37A005476
- a(n) = a(n-1) + a(n-8), with a(i) = 1 for i = 0..7.at n=43A005710
- Number of projective meanders.at n=10A006663
- Dodecahedral surface numbers: a(0)=0, a(1)=1, a(2)=20, thereafter 2*((3*n-7)^2 + 21).at n=16A007589
- Coordination sequence for hexagonal close-packing.at n=18A007899
- Coordination sequence T1 for Zeolite Code GME and AFX.at n=44A008110
- Coordination sequence T1 for Zeolite Code HEU.at n=38A008116
- Coordination sequence for tridymite, lonsdaleite, and wurtzite.at n=36A008264
- Coordination sequence T1 for Zeolite Code VNI.at n=36A009907
- a(0) = 1, a(n) = 42*n^2 + 2 for n>0.at n=9A010023
- a(n) = 4*a(n-1) + 7*a(n-2).at n=6A015532
- Expansion of 1/(1 - x^8 - x^9 - ...).at n=51A017902
- Number of lines through exactly 6 points of an n X n grid of points.at n=39A018813
- n written in fractional base 5/3.at n=29A024633
- Coordination sequence T4 for Zeolite Code IFR.at n=41A024985
- a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 4, with initial terms 1,-1,1.at n=13A025267
- a(n) = (d(n)-r(n))/5, where d = A026040 and r is the periodic sequence with fundamental period (4,0,4,3,4).at n=34A026042
- Coordination sequence T2 for Zeolite Code AWO.at n=40A038407
- Denominators of continued fraction convergents to sqrt(187).at n=7A041347