3694
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5544
- Proper Divisor Sum (Aliquot Sum)
- 1850
- 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
- 1846
- Möbius Function
- 1
- Radical
- 3694
- 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
- 69
- Smith Number
- yes
- 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 bipartite partitions.at n=12A002768
- Numbers k such that k^64 + 1 is prime.at n=37A006316
- Coordination sequence T1 for Zeolite Code AET.at n=42A008007
- Coordination sequence T1 for Zeolite Code LTN.at n=42A008140
- Coordination sequence T2 for Zeolite Code MEL.at n=39A008151
- Coordination sequence T6 for Zeolite Code MTW.at n=40A008201
- Coordination sequence T2 for Coesite.at n=32A008268
- M-sequences from multicomplexes on at most 8 variables with no monomial of degree more than n-1.at n=3A011805
- M-sequences m_0,m_1,m_2,m_3 with m_1 < n.at n=8A011819
- Numbers k such that the continued fraction for sqrt(k) has period 80.at n=7A020419
- Expansion of 1/((1-x)*(1-2*x)*(1-5*x)*(1-12*x)).at n=3A021164
- Fibonacci sequence beginning 3, 14.at n=13A022125
- Euler transform of primes.at n=10A030009
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 60.at n=7A031558
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 34 ones.at n=13A031802
- Coordination sequence T5 for Zeolite Code CFI.at n=40A033603
- Digit sum of 'even' number equals digit sum of 'sum' and 'juxtaposition' of its prime factors (counted with multiplicity).at n=38A036926
- Numerators of continued fraction convergents to sqrt(820).at n=7A042582
- Numbers n such that prime(n) - sigma(n) - phi(n) = prime(n+1) - sigma(n+1) - phi(n+1), where sigma(n) = sum of divisors of n.at n=35A048783
- Number of basis partitions of n+16 with Durfee square size 4.at n=32A053798