3435
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 5520
- Proper Divisor Sum (Aliquot Sum)
- 2085
- 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
- 1824
- Möbius Function
- -1
- Radical
- 3435
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 149
- 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
- a(n) = n concatenated with n + 1.at n=33A001704
- a(n) = number of types of conjugacy classes in GL(n,q) (this is independent of q).at n=10A003606
- Coordination sequence T3 for Zeolite Code AFS and BPH.at n=45A008025
- Coordination sequence T1 for Zeolite Code RTE.at n=40A009890
- Coordination sequence T5 for Zeolite Code VNI.at n=36A009911
- a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 1 mod 3}.at n=8A024220
- Least m such that if r and s in {1/2, 1/5, 1/8,..., 1/(3n-1)}, satisfy r < s, then r < k/m < s for some integer k.at n=38A024823
- Sequence satisfies T^2(a)=a, where T is defined below.at n=47A027585
- Clog sequence in base 2. Right to left concatenation of n,int(log_2(n)),int(log_2(int(log_2(n)))),... in base 2.at n=42A028423
- Pair up the numbers.at n=17A030656
- Coordination sequence T4 for Zeolite Code SBS.at n=46A033611
- Number of binary [ n,6 ] codes of dimension <= 6 without zero columns.at n=10A034340
- Concatenation of two or more consecutive positive integers.at n=42A035333
- Denominators of continued fraction convergents to sqrt(651).at n=6A042251
- Numbers n such that string 3,5 occurs in the base 10 representation of n but not of n-1.at n=38A044367
- Numbers n such that string 3,5 occurs in the base 10 representation of n but not of n+1.at n=38A044748
- Numbers whose base-5 representation contains exactly two 0's and three 2's.at n=9A045183
- Equal to the sum of its nonzero digits raised to its own power.at n=2A046253
- Starting index of a string of 3 or more consecutive equal digits in decimal expansion of Pi.at n=26A049515
- Starting index of a string of exactly 3 consecutive equal digits in decimal expansion of Pi.at n=20A049519