11323
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 12444
- Proper Divisor Sum (Aliquot Sum)
- 1121
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 10296
- Möbius Function
- 0
- Radical
- 871
- Omega Function (Ω)
- 3
- 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
- 112
- Smith Number
- no
- 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
- no
- Odd
- yes
Appears in sequences
- a(n) is the sum over all floor(k^3/n), k=0 to n inclusive.at n=34A014818
- Fibonacci sequence beginning 4,9.at n=16A022130
- Number of partitions of n that do not contain 2 as a part.at n=40A027336
- Square root of A030681.at n=27A030682
- Number of days in n years (n=3 is the first leap year).at n=30A033172
- Number of days in n years (n=2 is the first leap year).at n=30A033173
- Number of days in n years (n=1 is the first leap year).at n=30A033174
- Base numbers of 9-gonal palindromic numbers.at n=12A055560
- Centered 17-gonal numbers: (17*n^2 - 17*n + 2)/2.at n=36A069130
- Smallest number k such that there are exactly n relatively prime numbers using all digits of k.at n=26A075604
- Number of partitions of n-th composite number not containing the smallest prime factor.at n=26A091094
- Structured meta-prism numbers, the n-th number from a structured n-gonal prism number sequence.at n=12A100177
- Numbers m not of the form k*(k+2) that have a single '1' in the periodic part of the continued fraction of sqrt(n).at n=37A102538
- Multiples of 13 containing a 13 in their decimal representation.at n=27A121033
- a(n) = 10*n^2 - 7*n + 1.at n=34A158186
- Totally multiplicative sequence with a(p) = 6p+1 for prime p.at n=43A166664
- a(n) = A002865(2*n-1)+A002865(2*n).at n=19A182845
- a(n) = 8*n^2 - 6*n - 1.at n=37A194431
- Zeroless numbers n with digits d_1, d_2, ... d_k such that d_1^3 + ... + d_k^3 is a cube.at n=34A254960
- a(n) = k*Fibonacci(2*n+1) + (k+1)*Fibonacci(2*n), where k=4.at n=8A271358