13364
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 25284
- Proper Divisor Sum (Aliquot Sum)
- 11920
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6144
- Möbius Function
- 0
- Radical
- 6682
- Omega Function (Ω)
- 4
- 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
- 138
- 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
- yes
- Odd
- no
Appears in sequences
- Number of self-dual 2-colored necklaces with 2n beads.at n=19A007147
- Numbers whose set of base-16 digits is {3,4}.at n=19A032840
- Numbers k such that the sum of the anti-divisors of k = sum of proper divisors (or aliquot parts) of k.at n=7A074751
- Numerator of A166100(A166101(n))/A166102(n).at n=27A166272
- Number of Dyck paths of semilength n having the property that the heights of the first and the last peaks do not disagree.at n=11A193215
- Expansion of (-3*x^2 + x - 1)/(x^3 - 3*x^2 + x - 1).at n=22A200715
- G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n/n * Product_{d|n} A(d*x^(n/d))^d ).at n=7A205502
- Terms of A220698 that appear in A224218.at n=29A220752
- Terms of A220698 that appear in A224218.at n=30A220752
- Terms of A220698 that appear in A224218.at n=31A220752
- Terms of A220698 that appear in A224218.at n=32A220752
- Terms of A220698 that appear in A224218.at n=38A220752
- Terms of A220698 that appear in A224218.at n=39A220752
- a(n) = Catalan(n) - A000245(n-2).at n=8A220902
- Triangle of numbers related to Catalan numbers (A000108).at n=56A237124
- Numbers k where k^2 is an anagram of (k+2)^2.at n=6A261749
- Numbers n such that Bernoulli number B_{n} has denominator 1590.at n=18A272140
- Smallest k such that both of the consecutive Woodall numbers A003261(k) and A003261(k+1) are divisible by A014662(n), the n-th prime p with even order of 2 mod p.at n=25A287145
- Numbers k such that (11*10^k - 137)/9 is prime.at n=16A293687
- Numbers k, the smallest of at least 4 consecutive numbers x, for which phi(x) <= phi(x+1).at n=42A295865