6062
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 10416
- Proper Divisor Sum (Aliquot Sum)
- 4354
- 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
- 2592
- Möbius Function
- -1
- Radical
- 6062
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 142
- 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
- Number of connected graphs on n labeled nodes, each node being colored with one of 2 colors, such that no edge joins nodes of the same color.at n=6A002027
- Number of labeled connected digraphs on n nodes where every node has indegree 0 or outdegree 0 and no isolated nodes.at n=4A002031
- Coordination sequence T2 for Zeolite Code MEP.at n=46A008158
- Expansion of e.g.f.: sech(sin(x)*exp(x)).at n=7A012294
- (d(n)-r(n))/5, where d = A026066 and r is the periodic sequence with fundamental period (0,3,1,0,1).at n=44A026068
- 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 76.at n=18A031574
- Number of partitions satisfying cn(0,5) + cn(2,5) <= cn(1,5) and cn(0,5) + cn(2,5) <= cn(4,5) and cn(0,5) + cn(3,5) <= cn(1,5) and cn(0,5) + cn(3,5) <= cn(4,5).at n=41A039883
- The array in A059219 read by antidiagonals in 'up' direction.at n=38A059220
- The array in A059219 read by antidiagonals in the direction in which it was constructed.at n=42A059235
- Numbers k such that floor(Pi*k) is a square.at n=46A061812
- Main diagonal of A082228.at n=39A082231
- Expansion (1+x^3)/(1-x-x^7).at n=40A098527
- A sequence of triples of squarefree consecutive integers each composed of exactly three primes.at n=19A165936
- Arises in covering a graph by forests and a matching.at n=12A179259
- a(n) = ADP(n) is the total number of aperiodic k-double-palindromes of n, where 2 <= k <= n.at n=17A181135
- Number of sequences of length n over {1, -1} with Erdős discrepancy <= 2.at n=21A181740
- G.f. A(x) satisfies A(x) = (1 + x*A(x))*(1 + x^3*A(x)^3).at n=11A198951
- a(1)=0; a(n) = b(n) - Sum_{r=1..n-1} a(r)*b(n-1-r), where b(n) = A000085(n).at n=9A201687
- a(n) = F(n+8) - (1/6)*(n^4-2*n^3+26*n^2+47*n+132) where F(i) = Fibonacci numbers (A000045).at n=12A220889
- Triangular array read by rows. T(n,k) is the number of 2-colored labeled graphs on n nodes with exactly k connected components; n>=1, 1<=k<=n.at n=15A228892