2286
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 4992
- Proper Divisor Sum (Aliquot Sum)
- 2706
- 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
- 756
- Möbius Function
- 0
- Radical
- 762
- Omega Function (Ω)
- 4
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 32
- Smith Number
- yes
- 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
- Oscillates under partition transform.at n=34A007211
- Coordination sequence T1 for Zeolite Code AET.at n=33A008007
- Coordination sequence T3 for Zeolite Code DDR.at n=30A008073
- Coordination sequence T1 for Zeolite Code LAU.at n=34A008124
- Coordination sequence T2 for Zeolite Code LAU.at n=34A008125
- a(n) = a(n-1) + 5*a(n-2), with a(0) = a(1) = 1.at n=8A015440
- a(n) = [ a(n-1)/a(1) ] + [ a(n-1)/a(2) ] + ... + [ a(n-1)/a(n-1) ] for n >= 3, with initial terms 2,2.at n=12A022868
- Number of 8's in all partitions of n.at n=32A024792
- Coordination sequence T2 for Zeolite Code SBS.at n=38A033609
- Number of Dyck n-paths starting U^mD^m (an m-pyramid), followed by a pyramid-free Dyck path.at n=10A035929
- Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,2,0.at n=3A037784
- Numbers k such that k-th and (k+1)-st term of A038593 differ by 1.at n=47A038632
- Numbers whose base-7 representation contains exactly three 4's.at n=23A043411
- Numbers n such that string 5,6 occurs in the base 8 representation of n but not of n-1.at n=39A044233
- Numbers n such that string 1,2 occurs in the base 9 representation of n but not of n-1.at n=32A044262
- Numbers n such that string 2,0 occurs in the base 9 representation of n but not of n-1.at n=31A044269
- Numbers n such that string 8,6 occurs in the base 10 representation of n but not of n-1.at n=24A044418
- Numbers n such that string 5,6 occurs in the base 8 representation of n but not of n+1.at n=39A044614
- Numbers n such that string 2,0 occurs in the base 9 representation of n but not of n+1.at n=31A044650
- Numbers n such that string 8,6 occurs in the base 10 representation of n but not of n+1.at n=24A044799