11699
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 11700
- 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
- 11698
- Möbius Function
- -1
- Radical
- 11699
- 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
- 143
- 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
- yes
- Safe Prime
- yes
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1404
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes that remain prime through 4 iterations of function f(x) = 3x + 10.at n=12A023310
- Primes that remain prime through 5 iterations of function f(x) = 3x + 10.at n=2A023338
- [ exp(16/19)*n! ].at n=6A030862
- Start of a string of exactly 2 consecutive (but disjoint) pairs of twin primes.at n=26A035790
- Smallest prime with "n^2" as central digit(s).at n=13A038370
- First of four consecutive primes that comprise two sets of twin primes.at n=41A053778
- Safe primes which are also Sophie Germain primes.at n=31A059455
- Numbers m such that pi(m^2) is a square.at n=6A064523
- Lowest primes in twin packs.at n=33A069457
- Frobenius number of the numerical semigroup generated by 3 consecutive triangular numbers.at n=22A069755
- Near twin primes of order 18: twin primes (p, p+2) such that p+18 and p+20 are primes.at n=23A079304
- Primes p such that 13 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=18A080188
- Smallest member of a pair of consecutive twin prime pairs that have no primes between them.at n=42A089628
- Primes of the form 100n - 1.at n=34A095995
- Indices of primes in sequence defined by A(0) = 63, A(n) = 10*A(n-1) - 17 for n > 0.at n=13A101519
- Positive integers i for which A112049(i) == 7.at n=29A112067
- Primes which are the sum of a twin prime pair - 1.at n=43A118072
- Emirps with only nonprime digits (i.e., 0, 1, 4, 6, 8, 9).at n=37A128390
- Primes congruent to 7 mod 37.at n=43A142116
- Primes congruent to 14 mod 41.at n=36A142211