3799
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 28
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3960
- Proper Divisor Sum (Aliquot Sum)
- 161
- 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
- 3640
- Möbius Function
- 1
- Radical
- 3799
- 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
- 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
- Numbers k such that the continued fraction for sqrt(k) has period 56.at n=8A020395
- a(n) = n*(9*n + 1)/2.at n=29A022267
- Triangle read by rows: cube of the lower triangular mean matrix.at n=11A027447
- Second column of A027447.at n=3A027460
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 25 ones.at n=0A031793
- Coordination sequence T3 for Zeolite Code ESV.at n=41A038412
- Coordination sequence T6 for Zeolite Code STT.at n=41A038421
- Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n-1.at n=37A044431
- Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n+1.at n=37A044812
- Numbers whose base-5 representation contains exactly three 1's and two 4's.at n=16A045261
- T(n,n-3), array T as in A047150.at n=6A047155
- n plus a googol is prime.at n=11A049014
- Sum of digits = 7 times number of digits.at n=38A061424
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 63 ).at n=35A063336
- Partial sums of A035282.at n=32A078472
- Expansion of ((1-x)*sqrt(1+2x) + (1+x)*sqrt(1-2x))/(2*(1-2x)^(5/2)).at n=8A099327
- Antidiagonal sums of square array A108625, in which row n equals the crystal ball sequence for A_n lattice.at n=8A108626
- Number of partitions of n such that number of parts is equal to the sum of parts counted without multiplicities.at n=54A114638
- Start with 1027 and repeatedly reverse the digits and add 16 to get the next term.at n=54A119455
- Triangle of numerators of the cube of a certain lower triangular matrix.at n=11A119935