4474
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 6714
- Proper Divisor Sum (Aliquot Sum)
- 2240
- 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
- 2236
- Möbius Function
- 1
- Radical
- 4474
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 90
- 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
- yes
- Odd
- no
Appears in sequences
- Coordination sequence T1 for Zeolite Code ABW and ATN.at n=46A008000
- Numbers k such that the continued fraction for sqrt(k) has period 57.at n=4A020396
- Numbers that are the sum of 4 distinct positive cubes in exactly 3 ways.at n=15A025410
- Numbers that are the sum of 4 distinct positive cubes in 3 or more ways.at n=16A025413
- Number of connected functions on n points with a loop of length 12.at n=6A032208
- Numbers having three 4's in base 10.at n=23A043507
- a(n)=T(n,n+1), array T as in A049723.at n=37A049729
- Numbers k such that k^512 + 1 is prime.at n=11A057465
- Lesser of two successive squarefree numbers whose product is not squarefree.at n=42A077395
- Expansion of (1-x)^(-1)/(1-x+2*x^2+x^3).at n=18A077877
- a(n) = Floor[(2*Pi/E)*n^2].at n=43A090398
- Number of distinct products i*j*k*l for 1 <= i < j < k < l <= n.at n=27A100438
- Main diagonal of A101866.at n=34A101867
- Smallest number equal to the product of two primes which is also equal to the sum of n distinct primes.at n=45A102238
- Near-repdigit semiprimes with 4 as repeated digit.at n=8A105985
- Semiprimes with prime sum of decimal digits and prime sum of prime factors.at n=39A108610
- Numbers k such that k^5 - k^3 - 1 and k^5 - k^3 + 1 are twin primes.at n=43A111504
- Numbers n such that f(n), f(n+1) and f(n+2) are prime, f(m)=72*m^2+7.at n=8A121089
- Numbers k such that 1 + Sum_{i=1..k-1} A001223(i)*(-1)^i = 0.at n=30A127596
- Row sums of triangle A134237.at n=42A134238