3418
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5130
- Proper Divisor Sum (Aliquot Sum)
- 1712
- 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
- 1708
- Möbius Function
- 1
- Radical
- 3418
- 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
- 56
- 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 tournaments on n nodes determined by their score vectors.at n=16A000570
- Numbers k such that 4!*(2k-5)!/(k!*(k-1)!) is an integer.at n=26A004784
- 5!(2n-6)!/n!(n-1)! is an integer.at n=31A004785
- Coordination sequence T1 for Zeolite Code MFI.at n=37A008161
- Coordination sequence T1 for Zeolite Code -CHI.at n=37A009846
- Partition function coefficients for square lattice spin 5/2 Ising model.at n=59A010109
- Coordination sequence T2 for Zeolite Code OSI.at n=38A016431
- Coordination sequence T7 for Zeolite Code TER.at n=39A016439
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BIK = Bikitaite Li2[Al2Si4O12].2H2O starting from a T2 atom.at n=11A019077
- Numbers k such that the continued fraction for sqrt(k) has period 41.at n=5A020380
- Numbers whose base-15 representation has exactly 4 runs.at n=26A043671
- Numbers n such that string 1,8 occurs in the base 10 representation of n but not of n-1.at n=38A044350
- Numbers n such that string 1,8 occurs in the base 10 representation of n but not of n+1.at n=38A044731
- T(n, k) = S(2n, n, k) for 0<=k<=n and n>=0, where S(p, q, r) is the number of upright paths from (0, 0) to (p, p-q) that do not rise above the line y = x-r.at n=33A050157
- Number of sequences of rooted identity trees with a total of n nodes.at n=11A052806
- Number of series-parallel networks with n unlabeled edges, multiple edges not allowed.at n=12A058387
- Least k such that k*P(n)#-P(n+2) and k*P(n)#+P(n+2) are both primes with P(i)=i-th prime and P(i)#=i-th primorial.at n=61A097526
- Positive integers not appearing in sequence A098572, which calculates the values of floor(sum(m^(1/m),n=1..m)).at n=33A098573
- Denominator of Egyptian fraction for Euler's constant (or Euler-Mascheroni constant) gamma.at n=2A110820
- The number of 4-regular plane graphs with n vertices with all faces 3-gons or 4-gons.at n=55A111361