2344
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 4410
- Proper Divisor Sum (Aliquot Sum)
- 2066
- 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
- 1168
- Möbius Function
- 0
- Radical
- 586
- Omega Function (Ω)
- 4
- 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
- 120
- 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 n-bead necklaces with 4 colors.at n=7A001868
- A sixth-order linear divisibility sequence: a(n+6) = -3*a(n+5) - 5*a(n+4) - 5*a(n+3) - 5*a(n+2) - 3*a(n+1) - a(n).at n=21A005120
- Number of convex polygons of perimeter 2n on square lattice.at n=6A005436
- Coordination sequence T2 for Zeolite Code LEV.at n=36A008128
- Coordination sequence T6 for Zeolite Code MFI.at n=31A008169
- Coordination sequence T2 for Milarite.at n=30A008257
- Coordination sequence T1 for Moganite.at n=31A008258
- Expansion of e.g.f. sin(x)/cos(tan(x)) (odd powers only).at n=3A009555
- Coordination sequence T1 for Keatite.at n=27A009844
- Coordination sequence T2 for Zeolite Code RSN.at n=32A009886
- Coordination sequence T3 for Zeolite Code VSV.at n=31A009916
- Numbers k such that the continued fraction for sqrt(k) has period 42.at n=19A020381
- Numbers k such that Fib(k) == -21 (mod k).at n=24A023168
- Coordination sequence T4 for Zeolite Code MWW.at n=32A024989
- Sum of the numbers between the two n's in A026362.at n=25A026365
- 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 23.at n=16A031521
- Numbers k such that 111*2^k+1 is prime.at n=11A032405
- Numbers k such that 183*2^k+1 is prime.at n=21A032468
- Numbers whose set of base-5 digits is {3,4}.at n=31A032829
- Sum of the numbers in the trajectory of n for the 3x+1 problem.at n=38A033493