11041
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 7
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 11284
- Proper Divisor Sum (Aliquot Sum)
- 243
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 10800
- Möbius Function
- 1
- Radical
- 11041
- 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
- 161
- 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 5.at n=20A005936
- Pseudoprimes to base 6.at n=29A005937
- Pseudoprimes to base 7.at n=19A005938
- Odd octagonal numbers: (2n+1)*(6n+1).at n=30A014641
- Pseudoprimes to base 29.at n=46A020157
- Pseudoprimes to base 30.at n=44A020158
- Pseudoprimes to base 31.at n=39A020159
- Pseudoprimes to base 35.at n=27A020163
- Pseudoprimes to base 40.at n=34A020168
- Pseudoprimes to base 42.at n=28A020170
- Pseudoprimes to base 51.at n=36A020179
- Pseudoprimes to base 56.at n=39A020184
- Pseudoprimes to base 59.at n=42A020187
- Pseudoprimes to base 74.at n=40A020202
- Pseudoprimes to base 86.at n=43A020214
- Pseudoprimes to base 95.at n=35A020223
- Strong pseudoprimes to base 6.at n=8A020232
- Strong pseudoprimes to base 7.at n=6A020233
- Strong pseudoprimes to base 8.at n=13A020234
- Strong pseudoprimes to base 25.at n=10A020251