2928
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 20
- Divisor Sum
- 7688
- Proper Divisor Sum (Aliquot Sum)
- 4760
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 960
- Möbius Function
- 0
- Radical
- 366
- Omega Function (Ω)
- 6
- 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
- 97
- 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
- Number of partitions of n in which no part occurs just once.at n=45A007690
- Coordination sequence T3 for Zeolite Code MEP.at n=32A008159
- Number of partitions of 2*n into at most 4 parts.at n=35A014126
- Number of lines through exactly 6 points of an n X n grid of points.at n=38A018813
- Coordination sequence T1 for Zeolite Code MWW.at n=36A024986
- Square of the lower triangular normalized partition matrix.at n=24A027516
- Numbers with 20 divisors.at n=40A030638
- Positions of record values in A030727.at n=47A030732
- Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 9.at n=34A031412
- Least term in period of continued fraction for sqrt(n) is 9.at n=5A031433
- Numbers whose set of base-11 digits is {2,3}.at n=14A032811
- Numbers whose set of base-11 digits is {1,2}.at n=29A032931
- Numbers whose base-11 expansion has no run of digits with length < 2.at n=33A033024
- Coordination sequence T3 for Zeolite Code SBS.at n=43A033610
- Coordination sequence T8 for Zeolite Code STT.at n=36A038418
- Number of partitions satisfying cn(2,5) <= 1 and cn(3,5) <= 1.at n=33A039855
- Numerators of continued fraction convergents to sqrt(376).at n=7A041712
- Numbers n such that string 2,8 occurs in the base 10 representation of n but not of n-1.at n=32A044360
- Numbers n such that string 2,8 occurs in the base 10 representation of n but not of n+1.at n=32A044741
- Positive integers having more base-11 runs of even length than odd.at n=23A044837