4462
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 7056
- Proper Divisor Sum (Aliquot Sum)
- 2594
- 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
- 2112
- Möbius Function
- -1
- Radical
- 4462
- Omega Function (Ω)
- 3
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 95
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- Numbers k such that 33*2^k - 1 is prime.at n=30A002240
- Length of n-th term in Look and Say sequences A005150 and A007651.at n=29A005341
- Coordination sequence T3 for Zeolite Code AEL.at n=44A008006
- Coordination sequence T6 for Zeolite Code VNI.at n=41A009912
- Pisot sequence E(3,13): a(n) = floor(a(n-1)^2/a(n-2) + 1/2).at n=5A010903
- Pisot sequence T(3,13), a(n) = floor( a(n-1)^2/a(n-2) ).at n=5A010920
- a(n) = floor( n*(n-1)*(n-2)/28 ).at n=51A011910
- Number of Dyck n-paths with ascents and descents of length equal to 1 (mod 4).at n=19A023427
- a(n) = (d(n)-r(n))/2, where d = A026054 and r is the periodic sequence with fundamental period (1,0,0,0).at n=32A026055
- 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 66.at n=9A031564
- Numbers that, when expressed in base 2 and then interpreted in base 10, yield a multiple of the original number.at n=48A032533
- a(n) = n*(2*n+5).at n=46A033537
- Numbers m such that m^2 ends in 444.at n=17A039685
- Numbers n such that 155*2^n-1 is prime.at n=13A050619
- Triangular array generated by its row sums: T(n,0)=1 for n >= 0, T(1,1)=2, T(n,k)=T(n,k-1)+d*r(n-k) for k=2,3,...,n, d=(-1)^(k+1), n >= 2, r(h)=sum of the numbers in row h of T.at n=38A054098
- T(n,2), array T as in A054098.at n=6A054104
- Composite numbers k such that sigma(k + 6!) = sigma(k + 720) = sigma(k) + 720.at n=37A054984
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 59 ).at n=31A063332
- Numerator of c(n) where c(0)=1, c(n+1) = n/c(n) + 1.at n=11A072898
- Denominator of c(n) where c(0)=1 c(n+1) = n/c(n) + 1.at n=12A072899