5884
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 10304
- Proper Divisor Sum (Aliquot Sum)
- 4420
- 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
- 2940
- Möbius Function
- 0
- Radical
- 2942
- Omega Function (Ω)
- 3
- 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
- 173
- 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
- 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 38.at n=39A031536
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 54 ones.at n=8A031822
- Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition).at n=8A044046
- Numbers k such that 3*5^k + 2 is prime.at n=21A057916
- Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-2,2}.at n=12A079992
- Sum of the sides of ordered 2 X 2 prime squares.at n=32A105088
- Numbers with composite sum of digits and prime sum of cubes of digits.at n=24A121642
- Monotonic ordering of set S generated by these rules: if x and y are in S then 3xy-2x-2y is in S, and 2 is in S.at n=40A192531
- a(n) = 2^n*(n^2 - n + 4)-4.at n=7A196508
- Numbers such that sum of digits and sum of the square of digits are both a square.at n=45A197125
- Triangle of coefficients of polynomials u(n,x) jointly generated with A210861; see the Formula section of A210861.at n=31A210860
- Number of primes of the form (x+1)^5 - x^5 less than 10^n.at n=20A221846
- Integers n such that p = 4n + 1, q = 4p + 3, r = 4q + 5, s = 4r + 7 and t = 4s + 9 are all prime.at n=3A243528
- Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} A_k*(x-2)^k.at n=31A246797
- Number of (3+1)X(n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=35A250657
- Least positive integer k such that prime(k*n)+2 = prime(i*n)*prime(j*n) for some 0 < i < j.at n=45A257926
- a(n) is the smallest number of grains of sand placed at the center square of a (2n-1) X (2n-1) table so that some grains drop off the table by the end of the diffusion process.at n=28A259013
- Numbers n such that n!3 + 3^10 is prime, where n!3 = n!!! is a triple factorial number (A007661).at n=21A261145
- Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 801", based on the 5-celled von Neumann neighborhood.at n=43A273573
- Numbers k such that (19*10^k + 77) / 3 is prime.at n=21A276353