3295
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3960
- Proper Divisor Sum (Aliquot Sum)
- 665
- 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
- 2632
- Möbius Function
- 1
- Radical
- 3295
- 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
- 136
- 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 self-dual binary codes of length 2n (up to column permutation equivalence).at n=16A003179
- a(n) = floor(1000*log(n)).at n=26A004240
- a(n) = 1 + n/2 + 9*n^2/2.at n=27A006137
- Coordination sequence T2 for Zeolite Code BPH.at n=44A008056
- Coordination sequence T4 for Zeolite Code PAU.at n=42A008222
- Coordination sequence T1 for Zeolite Code VNI.at n=35A009907
- a(n) = floor(n*(n-1)*(n-2)/13).at n=36A011895
- Sequence satisfies T^2(a)=a, where T is defined below.at n=48A027590
- Numbers k such that 209*2^k+1 is prime.at n=11A032481
- Numbers n such that string 9,5 occurs in the base 10 representation of n but not of n-1.at n=35A044427
- Numbers k such that string 9,5 occurs in the base 10 representation of k but not of k+1.at n=35A044808
- Numbers whose base-4 representation contains exactly one 0 and four 3's.at n=16A045070
- Numbers whose base-4 representation contains exactly one 1 and four 3's.at n=21A045118
- Numbers whose base-4 representation contains no 2's and exactly four 3's.at n=23A045137
- Numbers whose base-5 representation contains exactly two 0's and three 1's.at n=26A045168
- Smallest value of x such that M(x) = n, where M() is Mertens's function A002321.at n=22A051400
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 20.at n=25A051985
- Composite and every divisor (except 1) contains the digit 5.at n=30A062672
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 88 ).at n=25A063361
- 75-gonal numbers: a(n) = n*(73*n-71)/2.at n=10A098230