3294
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 7440
- Proper Divisor Sum (Aliquot Sum)
- 4146
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1080
- Möbius Function
- 0
- Radical
- 366
- Omega Function (Ω)
- 5
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 136
- Smith Number
- yes
- 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 2-line arrays; or number of P-graphs with 2n edges.at n=5A003169
- Numbers k such that 10*3^k + 1 is prime.at n=19A005539
- Number of P-graphs with 2n edges.at n=11A007165
- Coordination sequence T1 for Zeolite Code MER.at n=42A008160
- Population of "Triangle" cellular automaton at n-th generation.at n=28A018189
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan[AlnSi112-nO224] starting with a T9 atom.at n=11A019128
- Coordination sequence T2 for Zeolite Code CZP.at n=37A019457
- a(n) = n*(9*n + 1)/2.at n=27A022267
- a(n) = n*(n+7).at n=54A028563
- a(n) = a(n-1) + a(round(2*(n-1)/3)) + a(round((n-1)/3)) with a(1)=1, a(2)=2.at n=25A033500
- Number of partitions of n such that cn(0,5) = cn(1,5) <= cn(2,5) = cn(4,5) <= cn(3,5).at n=60A036862
- Coordination sequence T3 for Zeolite Code STT.at n=38A038426
- Sequence arising in search for Legendre sequences.at n=12A039796
- Base-8 palindromes that start with 6.at n=13A043026
- Numbers n such that string 9,4 occurs in the base 10 representation of n but not of n-1.at n=35A044426
- Numbers k such that string 9,4 occurs in the base 10 representation of k but not of k+1.at n=35A044807
- Starting positions of strings of 2 9's in the decimal expansion of Pi.at n=35A050272
- Numbers k such that k^10 == 1 (mod 11^3).at n=24A056085
- One half of sixth (m=5) column of triangle A060921 (bisection of Fibonacci triangle, odd part).at n=3A061185
- Positive numbers whose product of digits is 12 times their sum.at n=23A062045