3488
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 5
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 6930
- Proper Divisor Sum (Aliquot Sum)
- 3442
- 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
- 1728
- Möbius Function
- 0
- Radical
- 218
- Omega Function (Ω)
- 6
- 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
- 118
- 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 EAB.at n=43A008082
- Coordination sequence T2 for Zeolite Code LAU.at n=42A008125
- Coordination sequence T3 for Zeolite Code LAU.at n=42A008126
- Convolution of Lucas numbers and odd numbers.at n=11A023620
- Expansion of 1/(1 - 4*x + 2*x^2 + 4*x^3 - 2*x^4).at n=7A027831
- a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), where m = floor((n+2)/2), T given by A027948.at n=11A027958
- Expansion of (theta_3(z)*theta_3(4z)*theta_3(16z)+theta_2(z)*theta_2(4z)*theta_2(16z))^4.at n=45A028709
- 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 29.at n=15A031527
- a(n) = 2*n^2 + 3*n + 3.at n=41A033816
- Numerators of continued fraction convergents to sqrt(548).at n=6A042048
- Numbers n such that string 8,8 occurs in the base 10 representation of n but not of n-1.at n=34A044420
- Numbers k such that string 8,8 occurs in the base 10 representation of k but not of k+1.at n=34A044801
- Fifth-from-right diagonal of triangle A121207.at n=6A045500
- Starting positions of strings of 2 3's in the decimal expansion of Pi.at n=23A050222
- Number of labeled connected Eulerian digraphs with n nodes and an odd number of edges.at n=4A054959
- McKay-Thompson series of class 42A for Monster.at n=41A058671
- Numbers m such that phi(m) = tau(m)^3.at n=8A068559
- Numbers k such that k concatenated with k 1's is a prime.at n=16A068817
- Minimal positive solution z of Pell equation z^2 - A077426(n)*t^2 = -4.at n=17A078356
- Minimal positive solution a(n) of Pell equation a(n)^2 - D(n)*b(n)^2 = +4 or -4 with D(n)=A077425(n). The companion sequence is b(n)=A077058(n).at n=28A078361