3704
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6960
- Proper Divisor Sum (Aliquot Sum)
- 3256
- 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
- 1848
- Möbius Function
- 0
- Radical
- 926
- Omega Function (Ω)
- 4
- 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
- 131
- 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
- Coordination sequence T1 for Zeolite Code AEI.at n=46A008001
- Coordination sequence T3 for Zeolite Code AEI.at n=46A008003
- Coordination sequence T3 for Zeolite Code ATS.at n=44A008040
- Aliquot sequence starting at 180.at n=37A008891
- Coordination sequence T1 for Keatite.at n=34A009844
- a(n) = n*(29*n - 1)/2.at n=16A022286
- First differences give (essentially) A028242.at n=31A035107
- Number of partitions of n such that cn(0,5) = cn(2,5) <= cn(3,5) = cn(4,5) <= cn(1,5).at n=51A036846
- Values of A038007 not ending in 6 or 8.at n=2A038009
- Number of n-digit dihedral primes for which the 4 numbers (n, n upside-down, n in a mirror, n upside-down and mirrored) are distinct.at n=11A048661
- a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = a(3) = 1.at n=12A049935
- Numbers n such that 57*2^n-1 is prime.at n=22A050554
- Number of asymmetric self-converse quasigroups of order n.at n=6A058173
- Number of partitions of n in which number of parts is not 2.at n=28A058984
- Nested floor product of n and fractions (k+1)/k for all k>0 (mod 3), divided by 3.at n=29A073360
- Bisection of A088567.at n=43A088575
- a(n) = floor((Sum_{r=1..n} r)*(Sum_{r=1..n} 1/r)).at n=40A090541
- The values within a cycle of length 53 of the map x->A098189(x), sorted.at n=24A098191
- a(n) = 100*n + 4.at n=37A102439
- Values of A083097(k) such that A083097(k) = A083097(k+1) - 1.at n=43A122485