14286
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 5
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 28584
- Proper Divisor Sum (Aliquot Sum)
- 14298
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 4760
- Möbius Function
- -1
- Radical
- 14286
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- 195
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- 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
- yes
- Odd
- no
Appears in sequences
- a(n) = T(2n,n-2), where T is the array in A026120.at n=6A026131
- Number of partitions of n into parts not of the form 23k, 23k+10 or 23k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 10 are greater than 1.at n=35A035998
- Numbers k such that k^2 + k + 1, k^3 + k + 1 and k^4 + k + 1 are all prime.at n=40A057683
- Numbers m that divide the concatenation of m+1 and m+2.at n=14A069860
- Numbers k with the property that k divides one of the concatenations (k-1)(k-2) or (k-2)(k-1).at n=17A077292
- Number of triangular partitions of n of order 3.at n=31A084439
- Number of semi-magic 3-dimensional hypercubes with 27 entries and magic sum n.at n=5A111085
- Values of n such that n^a-+a are primes, a=5.at n=13A155021
- Numbers k such that 1 + 8*10^k + 100^k is prime.at n=10A171514
- Number of 7's in the last section of the set of partitions of n.at n=49A206557
- Numbers n such that n^1+n+1, n^2+n+1, n^3+n+1 and n^4+n+1 are all prime.at n=15A219117
- Number of zeros of the polynomial Sum_{j=0..n-1} z^(2^j-1) outside the unit circle.at n=14A257593
- Expansion of Product_{k>=1} 1/(1 - Lucas(k)*x^k), where Lucas = A000204.at n=12A306484
- Number of ways to write n as an ordered sum of 6 primes (counting 1 as a prime).at n=34A341985
- Number of successive occurrences of the same first digits in A366585.at n=46A366610