3073
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
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3520
- Proper Divisor Sum (Aliquot Sum)
- 447
- 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
- 2628
- Möbius Function
- 1
- Radical
- 3073
- 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
- 110
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers that are the sum of 4 positive 5th powers.at n=31A003349
- Numbers that are the sum of 7 positive 9th powers.at n=6A003396
- a(0) = 1; thereafter a(n) = 3*2^(n-1) + 1.at n=11A004119
- Numbers that are the sum of 4 nonzero 10th powers.at n=3A004804
- Numbers that are the sum of at most 7 positive 9th powers.at n=34A004891
- Numbers that are the sum of at most 9 positive 9th powers.at n=46A004893
- Numbers that are the sum of at most 4 nonzero 10th powers.at n=13A004899
- Numbers that are the sum of at most 5 nonzero 10th powers.at n=16A004900
- Numbers that are the sum of at most 6 nonzero 10th powers.at n=19A004901
- Numbers that are the sum of at most 7 nonzero 10th powers.at n=22A004902
- Numbers that are the sum of at most 8 nonzero 10th powers.at n=25A004903
- Numbers that are the sum of at most 9 nonzero 10th powers.at n=28A004904
- Numbers that are the sum of at most 10 nonzero 10th powers.at n=31A004905
- Numbers that are the sum of at most 11 nonzero 10th powers.at n=34A004906
- Numbers that are the sum of at most 12 nonzero 10th powers.at n=37A004907
- Reve's puzzle: number of moves needed to solve the Towers of Hanoi puzzle with 4 pegs and n disks, according to the Frame-Stewart algorithm.at n=41A007664
- Coordination sequence T2 for Zeolite Code ATS.at n=40A008039
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RUT = RUB-10 R4[B4Si32O72] starting from a T1 atom.at n=11A019234
- Numbers k such that the continued fraction for sqrt(k) has period 64.at n=7A020403
- a(n) = least m such that if r and s in {1/3, 1/6, 1/9,..., 1/3n} satisfy r < s, then r < k/m < s for some integer k.at n=36A024824