14759
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
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14760
- 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
- 14758
- Möbius Function
- -1
- Radical
- 14759
- 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
- 45
- 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
- 1729
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Numbers whose least quadratic nonresidue (A020649) is 17.at n=9A025026
- Square of the lower triangular normalized partition matrix.at n=28A027516
- First column of A027516.at n=7A027528
- Number of rooted compound windmills with n nodes and leaves of 2 colors where any 2 submills extending from the same node are different.at n=10A032161
- Recursive prime generating sequence.at n=50A039726
- Last member of a sexy prime quadruple: value of p+18 such that p, p+6, p+12 and p+18 are all prime.at n=29A046124
- Primes followed by an [8,4,8]=[d,D-d,d] prime difference pattern of A001223.at n=9A052377
- Fourth term of balanced prime quartets: p(m-2)-p(m-3) = p(m-1)-p(m-2) = p(m)-p(m-1).at n=9A054803
- Primes p such that x^47 = 2 has no solution mod p.at n=38A059257
- Primes that are each the sum of two, three, and four consecutive composite numbers.at n=18A060339
- Primes with 17 as smallest positive primitive root.at n=15A061329
- Primes expressible as the sum of (at least two) consecutive primes in at least 3 ways.at n=25A067379
- Least k such that the class number of quadratic order of discriminant D=-4k equals p, where p runs through the primes.at n=41A079029
- Prime factors of solutions to 24^n == 1 (mod n).at n=2A087807
- Irregular primes whose indices are irregular primes of order one.at n=46A090869
- Odd numbers n for which 17 is the smallest i (>= 1) with Jacobi symbol J(i,n) getting either a value 0 or -1.at n=15A112077
- Primes such that the sum of the predecessor and successor primes is divisible by 41.at n=38A113157
- Convenience store primes or prime of the form abs(7^n - 2^11).at n=2A122718
- Numbers whose shortest addition chains unavoidably contain 3.at n=1A124393
- a(n) = numerator of b(n), where sum{m>=0} b(m)*x^m/m! = x/(sum{m>=1} H(m) x^m/m!) = exp(-x)*x/(sum{m>=1} x^m (-1)^(m+1)/(m!*m)). (H(m) = sum{k=1 to m} 1/k.).at n=7A128061