14589
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 27
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 21086
- Proper Divisor Sum (Aliquot Sum)
- 6497
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 9720
- Möbius Function
- 0
- Radical
- 4863
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 2
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
- no
- 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
- a(n) = ceiling(n*phi^13), where phi is the golden ratio, A001622.at n=28A004968
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 68 ones.at n=18A031836
- Row sums of unsigned triangle A062991.at n=6A062992
- Generalized Catalan numbers C(2; n).at n=7A064062
- Triangle composed of generalized Catalan numbers.at n=47A064094
- Eighth diagonal of triangle A064094.at n=2A064304
- Sum of first n 6-almost primes.at n=29A086052
- Number array whose rows are the series reversions of x(1-x)/(1+x)^k, read by antidiagonals.at n=42A107111
- Expansion of 1 / Product_{n>=0} (1 - q^(5n+1))*(1 - q^(5n+2))*(1 - q^(5n+4)).at n=50A107235
- Riordan array (1/(1-xc(2x)),xc(2x)/(1-xc(2x))), c(x) the g.f. of A000108.at n=28A110506
- Triangle of numbers related to the generalized Catalan sequence C(2;n+1)=A064062(n+1), n>=0.at n=27A113647
- Generalized Catalan triangle of Riordan type, called C(1,2).at n=28A115193
- Generalized Catalan triangle of Riordan type, called C(1,2).at n=29A115193
- Triangle of numbers, called Y(1,2), related to generalized Catalan numbers A062992(n) = C(2;n+1) = A064062(n+1).at n=27A115195
- Subtriangle of generalized Catalan triangle CM(1,2) = A116880.at n=21A116872
- Generalized Catalan triangle, called CM(1,2).at n=27A116880
- Generalized Catalan triangle, called CM(1,2).at n=28A116880
- Triangle of coefficients for polynomials used for the column g.f.s of triangle A116880, called CM(1,2).at n=35A117505
- The Wiener index of a chain of n triangles (i.e., joined like VVV..VV; here V is a triangle!).at n=26A143941
- Numbers n such that n*2^2203 - 1 is prime.at n=20A265503