2834
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 4620
- Proper Divisor Sum (Aliquot Sum)
- 1786
- 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
- 1296
- Möbius Function
- -1
- Radical
- 2834
- 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
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 79
- 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
- Number of discordant permutations.at n=4A000562
- Numbers k such that phi(k) = phi(k+1).at n=12A001274
- a(n) = ceiling(1000*log(n)).at n=16A004242
- Coordination sequence T4 for Zeolite Code AFO.at n=35A008018
- Coordination sequence T11 for Zeolite Code MFI.at n=34A008163
- Number of n-dimensional partitions of 5.at n=12A008779
- Coordination sequence T2 for Zeolite Code AHT.at n=36A009867
- Numbers k such that the continued fraction for sqrt(k) has period 3.at n=13A013643
- Coordination sequence for root lattice B_3.at n=12A022145
- [ (n-1)st elementary symmetric function of {sqrt(k)} ], k = 1,2,...,n.at n=8A025198
- T(4n,n), where T is the array defined in A026105.at n=4A026114
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 4.at n=21A031417
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 4.at n=38A031428
- Shifts left under "CHJ" (necklace, identity, labeled) transform.at n=5A032334
- Concatenation of n and n + 6 or {n,n+6}.at n=27A032611
- Number of partitions of n into parts 5k+1 or 5k+3.at n=55A035372
- Zeckendorf expansion of n: repeatedly subtract the largest Fibonacci number you can until nothing remains. Little-endian concatenation of decimals.at n=44A035515
- 5x - 1 sequence starting at 19 (a(n+1) = a(n)/2 if a(n) is even, or 5*a(n)-1 if a(n) is odd).at n=16A037238
- Numerators of continued fraction convergents to sqrt(382).at n=5A041724
- Denominators of continued fraction convergents to sqrt(941).at n=7A042821