9073
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 9328
- Proper Divisor Sum (Aliquot Sum)
- 255
- 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
- 8820
- Möbius Function
- 1
- Radical
- 9073
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 65
- 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
- Pseudoprimes to base 12.at n=32A020140
- Pseudoprimes to base 14.at n=31A020142
- Pseudoprimes to base 15.at n=19A020143
- Pseudoprimes to base 26.at n=44A020154
- Pseudoprimes to base 31.at n=34A020159
- Pseudoprimes to base 33.at n=29A020161
- Pseudoprimes to base 38.at n=44A020166
- Pseudoprimes to base 40.at n=30A020168
- Pseudoprimes to base 50.at n=44A020178
- Pseudoprimes to base 54.at n=31A020182
- Pseudoprimes to base 58.at n=37A020186
- Pseudoprimes to base 63.at n=26A020191
- Pseudoprimes to base 88.at n=40A020216
- Strong pseudoprimes to base 12.at n=8A020238
- Strong pseudoprimes to base 14.at n=7A020240
- Strong pseudoprimes to base 26.at n=8A020252
- Strong pseudoprimes to base 32.at n=19A020258
- Strong pseudoprimes to base 33.at n=8A020259
- Strong pseudoprimes to base 50.at n=9A020276
- Strong pseudoprimes to base 54.at n=10A020280