11093
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 11094
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 11092
- Möbius Function
- -1
- Radical
- 11093
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- 37
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1345
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 63.at n=15A020402
- Lower prime of a difference of 20 between consecutive primes.at n=19A031938
- Numbers whose base-2 representation has exactly 13 runs.at n=11A043580
- Number of balanced partitions of n: the largest part equals the number of parts.at n=50A047993
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 19.at n=28A050968
- Primes remaining prime if any digit is deleted (zeros allowed).at n=31A051362
- n-th occurrence of gap of n between primes occurs at prime a(n), n even, n >= 2.at n=9A054587
- Primes p such that x^47 = 2 has no solution mod p.at n=30A059257
- Primes p such that x^59 = 2 has no solution mod p.at n=24A059312
- Primes which are sandwiched between two numbers having the same unordered canonical form.at n=34A074460
- Smallest prime that is obtained by placing digits on both sides of the n-th prime. Or smallest prime that encompasses the n-th prime.at n=28A075595
- Numbers n such that C(4n,n)/(3n+1) (A002293) is not divisible by 4.at n=33A078971
- Table T(m,n) = (3^m + 5^n)/2, for m, n = 0, 2, 4, 6, ... read by antidiagonals downwards.at n=32A081458
- Starting term of the smallest n-chain of numbers whose squares are permutations of the same digits.at n=17A085546
- Choose a(n) so that 2*3*5*13*...*a(n) - 1 is prime; a(n) is prime; and a(n) > a(n-1).at n=44A087898
- Primes of the form 6n^2 - 1.at n=18A090686
- Primes that represent some mean of 4 consecutive (2 smaller, itself, 1 larger) primes.at n=28A094932
- Prime before n-th repunit.at n=3A096498
- Primes p such that little googol - p is prime.at n=26A108256
- Triangle of sums of Jacobsthal numbers related to binomial(4n,n)/(3n+1) mod 4.at n=25A113049