2962
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
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 4446
- Proper Divisor Sum (Aliquot Sum)
- 1484
- 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
- 1480
- Möbius Function
- 1
- Radical
- 2962
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 35
- 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
- Number of paraffins.at n=18A006001
- Series for first parallel moment of square lattice.at n=8A006728
- Coordination sequence T2 for Zeolite Code AFY.at n=45A008030
- Coordination sequence T3 for Zeolite Code MOR.at n=35A008184
- Expansion of sinh(x)*cosh(log(1+x)).at n=7A009621
- Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026659.at n=16A026669
- 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 54.at n=3A031552
- All slopes (a(n)-a(m))/(n-m) are distinct; generated from 0 by greedy algorithm.at n=47A033808
- a(n) = floor(E_(n+1)/E_(n)) where E_n is n-th Euler number (see A028296 and A000364).at n=41A034971
- Number of partitions of n such that cn(0,5) = cn(1,5) = cn(2,5) <= cn(3,5) = cn(4,5).at n=64A036850
- Number of odd nonprimes <= (2n+1)^2.at n=44A038377
- Numbers m such that m^2 ends in 444.at n=11A039685
- a(n)=(s(n)+5)/9, where s(n)=n-th base 9 palindrome that starts with 4.at n=25A043075
- Numbers k such that the string 5,1 occurs in the base 9 representation of k but not of k-1.at n=40A044297
- Numbers n such that string 6,2 occurs in the base 10 representation of n but not of n-1.at n=32A044394
- Numbers n such that string 6,2 occurs in the base 10 representation of n but not of n+1.at n=32A044775
- Coordination sequence T2 for Zeolite Code AEN.at n=34A047951
- Coordination sequence T3 for Zeolite Code AEN.at n=34A047952
- Numbers beginning and ending with their multiplicative digital root.at n=25A064704
- Average of n-th group in A075383.at n=43A075390