4823
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6048
- Proper Divisor Sum (Aliquot Sum)
- 1225
- 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
- 3744
- Möbius Function
- -1
- Radical
- 4823
- 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
- 165
- 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
- no
- Odd
- yes
Appears in sequences
- a(n) = floor(n(n+2)(2n+1)/8).at n=26A002717
- Coordination sequence T1 for Zeolite Code CZP.at n=45A019456
- a(n) = sum of the numbers between the two n's in A026370.at n=35A026373
- Bisection of A028289.at n=38A038390
- Coordination sequence T14 for Zeolite Code STT.at n=46A038430
- Denominators of continued fraction convergents to sqrt(428).at n=7A041815
- Numbers k such that 3^k - 4 is prime.at n=17A058959
- Composite numbers not divisible by 2, 3 or 5 which contain their largest prime factor as a substring in base 2.at n=34A063137
- Numbers n such that n + sum of prime factors of n = (n+1) + sum of prime factors of (n+1).at n=10A075654
- Product of the largest prime divisors of composite numbers between successive primes.at n=26A076977
- Main diagonal of square array A082025.at n=37A082189
- Triangle of T(n,k)=number of peakless Motzkin paths of length n containing k valleys (can be easily expressed using RNA secondary structure terminology).at n=30A089738
- Values of x arising from representations of n >= 11 in A085514.at n=26A102774
- a(n) = 3^n modulo Fibonacci(n).at n=22A128162
- Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k LD's (n>=0; 0<=k<=floor((n-1)/2)).at n=17A128733
- a(n) = n*(n+1)*(4*n+1)/2.at n=13A135713
- Partial sums of A051941.at n=12A136105
- Triangle read by rows: T(n,m) = binomial(n + m - 1, 2*m) + binomial(2*n - m - 2, 2*(n - m - 1)).at n=61A156717
- Triangle read by rows: T(n,m) = binomial(n + m - 1, 2*m) + binomial(2*n - m - 2, 2*(n - m - 1)).at n=59A156717
- The second left hand column of triangle A167552.at n=25A167554