3503
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3648
- Proper Divisor Sum (Aliquot Sum)
- 145
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3360
- Möbius Function
- 1
- Radical
- 3503
- Omega Function (Ω)
- 2
- 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
- 87
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- Number of connected series-parallel graphs with a longest path of at most n edges and also a largest cut set of at most n edges.at n=3A007803
- a(n) = floor( n*(n-1)*(n-2)/26 ).at n=46A011908
- Numbers k such that Fib(k) == 13 (mod k).at n=24A023178
- Convolution of (1, p(1), p(2), ...) and composite numbers.at n=15A023627
- a(n) = least m such that if r and s in {1/1, 1/4, 1/7,..., 1/(3n-2)} satisfy r < s, then r < k/m < s for some integer k.at n=39A024822
- Numbers whose set of base-7 digits is {1,3}.at n=41A032914
- In A015922, not in A033553.at n=11A033554
- a(0)=2; a(n) is the smallest k > a(n-1) such that the fractional part of k^(1/11) starts with n.at n=10A034076
- Number of (s,4) gates.at n=3A037296
- Coordination sequence T3 for Zeolite Code AFN.at n=42A038401
- Coordination sequence T1 for Zeolite Code AFN.at n=42A038403
- Denominators of continued fraction convergents to sqrt(651).at n=7A042251
- Numbers whose base-7 representation contains exactly three 3's.at n=28A043407
- Numbers k such that the string 0,3 occurs in the base 10 representation of k but not of k-1.at n=37A044335
- Numbers n such that string 0,3 occurs in the base 10 representation of n but not of n+1.at n=37A044716
- Numbers having, in base 15, (sum of even run lengths)=(sum of odd run lengths).at n=21A044886
- Numbers whose base-5 representation contains exactly three 0's and two 3's.at n=7A045201
- Squarefree nonprimes with property that the concatenation of the prime factors is a palindrome.at n=31A046448
- Semiprimes whose prime factors, when concatenated, yield a palindrome.at n=30A046451
- Coordination sequence T2 for Zeolite Code DON.at n=40A047954