11833
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 11834
- 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
- 11832
- Möbius Function
- -1
- Radical
- 11833
- 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
- 99
- 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
- yes
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1420
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Reflectable emirps.at n=19A007628
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 16.at n=7A031604
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 52 ones.at n=34A031820
- Third member of a sexy prime quadruple: value of p+12 such that p, p+6, p+12 and p+18 are all prime.at n=24A046123
- Least prime in A031924 (lesser of 6-twins) such that the distance to the next 6-twin is 2*n.at n=29A052352
- Fifth term of strong prime quintets: p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1).at n=30A054812
- Number of points in Z^4 of norm <= n.at n=7A055410
- Number of points in Z^n of norm <= 7.at n=4A055431
- Primes of the form 16*m^2 + 169, m=1,2,3,...at n=10A087862
- Numbers n such that 2^n-th prime + 2^(n-1)-th prime + 1 is prime.at n=5A092244
- k-th upper twin prime, where k is the n-th Fibonacci number.at n=12A093307
- Primes in A023108(n); or Lychrel primes.at n=25A135316
- Primes of the form 210k + 73.at n=28A140857
- Primes congruent to 30 mod 37.at n=37A142139
- Primes congruent to 25 mod 41.at n=34A142222
- Primes congruent to 8 mod 43.at n=36A142257
- Primes congruent to 36 mod 47.at n=31A142387
- Primes congruent to 24 mod 49.at n=35A142434
- Primes congruent to 14 mod 53.at n=27A142544
- Primes congruent to 8 mod 55.at n=39A142607