3616
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 7182
- Proper Divisor Sum (Aliquot Sum)
- 3566
- 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
- 1792
- Möbius Function
- 0
- Radical
- 226
- Omega Function (Ω)
- 6
- 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
- yes
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 17
- 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
- Coordination sequence T2 for Zeolite Code FER.at n=37A008107
- Coordination sequence T1 for Zeolite Code MER.at n=44A008160
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CAS = Cesium Aluminosilicate (Araki) Cs4[Al4Si20O48] starting with a T1 atom.at n=11A019088
- Triangle of Gaussian binomial coefficients [ n,k ] for q = 15.at n=11A022179
- Triangle of Gaussian binomial coefficients [ n,k ] for q = 15.at n=13A022179
- a(n) = T(2n-1,n), where T is the array in A026098.at n=29A026102
- Numbers k such that k^2 is palindromic in base 15.at n=37A030073
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 29.at n=19A031527
- Numbers whose set of base-15 digits is {1,4}.at n=14A032827
- Numbers whose set of base-15 digits is {1,3}.at n=14A032922
- Numbers whose set of base-15 digits is {1,2}.at n=14A032935
- Numbers whose base-15 expansion has no run of digits with length < 2.at n=29A033028
- Numbers whose set of base 15 digits is {0,1}.at n=15A033051
- Numbers k such that the string 1,6 occurs in the base 10 representation of k but not of k-1.at n=40A044348
- Positive integers with more base-15 runs of even length than odd.at n=15A044841
- Numbers n such that n^3 is palindromic in base 15.at n=11A046251
- a(n) in base 15 is a repdigit.at n=43A048339
- a(n) = Sum_{i=0..floor(n/2)} T(2i+1,n-2i-1) where T is A049627.at n=40A049631
- Numbers n such that 167*2^n-1 is prime.at n=19A050835
- Numbers n such that 183*2^n-1 is prime.at n=15A050843