2338
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 4032
- Proper Divisor Sum (Aliquot Sum)
- 1694
- 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
- 996
- Möbius Function
- -1
- Radical
- 2338
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 58
- 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
- Coordination sequence T10 for Zeolite Code EUO.at n=30A008096
- Coordination sequence T1 for Zeolite Code MTN.at n=29A008186
- Coordination sequence T1 for Zeolite Code PHI.at n=35A008227
- Triangle of D'Arcais numbers.at n=33A008298
- Coordination sequence for 4-dimensional face-centered cubic orthogonal lattice.at n=7A008529
- a(n) = floor( n*(n-1)*(n-2)/14 ).at n=33A011896
- Fibonacci sequence beginning 2, 15.at n=12A022117
- Place where n-th 1 occurs in A023117.at n=45A022779
- Coordination sequence T8 for Zeolite Code MWW.at n=33A024993
- a(n) = n*(n^2 + 12*n - 25)/6.at n=21A026057
- 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 48.at n=3A031546
- Numbers k such that 237*2^k+1 is prime.at n=10A032495
- Number of partitions of n with equal number of parts congruent to each of 1 and 2 (mod 4).at n=38A035543
- Number of partitions of n with equal nonzero number of parts congruent to each of 1, 2 and 4 (mod 5).at n=51A035589
- Even numbers k such that b(k) is greater than b(k-1) and b(k+1); b(k) = A033178(k).at n=36A038007
- Numbers k such that k-th and (k+1)-st term of A038593 differ by 10.at n=38A038641
- Jabotinsky-triangle related to A039647.at n=33A039692
- Numbers having four 3's in base 5.at n=11A043364
- Numbers having three 4's in base 6.at n=37A043387
- Numbers having three 4's in base 8.at n=14A043439