2342
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3516
- Proper Divisor Sum (Aliquot Sum)
- 1174
- 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
- 1170
- Möbius Function
- 1
- Radical
- 2342
- 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
- 58
- 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=21A005999
- Coordination sequence T6 for Zeolite Code MEL.at n=31A008155
- Coordination sequence T1 for Zeolite Code -WEN.at n=35A009862
- Coordination sequence T4 for Zeolite Code DFO.at n=37A009878
- Numbers k such that phi(k + 4) | sigma(k) + 4.at n=8A015870
- Self-convolution of array T given by A026648.at n=6A026971
- Molien series for full 8 X 8 Siegel modular group H_3 of order 371589120.at n=31A027633
- 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=4A031546
- "BIJ" (reversible, indistinct, labeled) transform of 1,1,1,1,...at n=6A032109
- Number of proper factorizations of the numbers with a record number of proper factorizations.at n=45A033834
- Number of partitions of n into parts not of form 4k+2, 16k, 16k+3 or 16k-3.at n=44A036021
- Maximal base 5 run length is 4.at n=25A037983
- Numerators of continued fraction convergents to sqrt(836).at n=6A042614
- Denominators of continued fraction convergents to sqrt(955).at n=7A042849
- a(n)=(s(n)+6)/9, where s(n)=n-th base 9 palindrome that starts with 3.at n=37A043074
- Expansion of Molien series for relative invariants of 8-dimensional complex Clifford group.at n=14A043330
- Numbers having four 3's in base 5.at n=14A043364
- Numbers having three 4's in base 8.at n=17A043439
- Numbers k such that string 4,6 occurs in the base 8 representation of k but not of k-1.at n=40A044225
- Numbers k such that the string 8,2 occurs in the base 9 representation of k but not of k-1.at n=31A044325