14595
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 26880
- Proper Divisor Sum (Aliquot Sum)
- 12285
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6624
- Möbius Function
- 1
- Radical
- 14595
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 164
- 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
- no
- Odd
- yes
Appears in sequences
- Larger of amicable pair.at n=6A002046
- Series expansion for rectilinear polymers on square lattice.at n=8A007291
- a(n) = 3*n*(4*n-1).at n=35A062783
- Amicable numbers.at n=13A063990
- Let x = 1.757739951145463... be smallest real number that satisfies gcd(floor(x^m),m)=1 for all integers m>0; sequence gives floor(x^n).at n=16A069818
- Number of partitions of n with parts occurring at most thrice and an even number of parts. Row sums of A098489.at n=46A098491
- Number of partitions of n with parts occurring at most thrice and an odd number of parts. Row sums of A098490.at n=46A098492
- Number of ordered triples (i,j,k) with |i| + |j| + |k| <= n and gcd(i,j,k) <= 1.at n=23A100450
- Number of semiprimes s such that 2^n < s <= 2^(n+1).at n=16A120033
- Numbers k for which nontrivial positive magic squares of exactly 9 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005.at n=34A125016
- Larger member of an infinitary amicable pair.at n=7A126170
- Infinitary amicable numbers.at n=16A127664
- prime(n)*( prime(n)-n ).at n=33A161522
- Long legs of primitive Pythagorean triples (a,b,c) for which 2a+1, 2b+1 and 2c+1 are primes.at n=37A165237
- Numbers k such that 3k-4, 3k-2, 3k+2, and 3k+4 are primes.at n=24A173092
- Largest members of k-sociable cycles of order r.at n=12A183013
- Conjectured list of multisociable numbers.at n=23A183019
- Triangle: T(n,k) equals the coefficient of x^n*y^k in the n-th iteration of x*(1+xy)/(1-x), for n>=1, 0<=k<n, as read by rows.at n=19A185755
- A diagonal of triangle A185755.at n=4A185758
- Numbers k such that sigma(k) = sigma(sigma(k)-k).at n=17A206708