3452
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 6048
- Proper Divisor Sum (Aliquot Sum)
- 2596
- 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
- 1724
- Möbius Function
- 0
- Radical
- 1726
- Omega Function (Ω)
- 3
- 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
- 43
- 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 VNI.at n=36A009908
- Phi(n) + 5 | sigma(n + 5).at n=38A015784
- 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 T3 atom.at n=11A019090
- Numbers k such that the continued fraction for sqrt(k) has period 44.at n=26A020383
- Pisot sequences E(6,10), P(6,10).at n=12A020718
- Place where n-th 1 occurs in A023125.at n=30A022787
- Numbers k such that Fibonacci(k) == -3 (mod k).at n=45A023164
- Coordination sequence T3 for Zeolite Code IFR.at n=41A024984
- a(n) = T(n,n-4), T given by A026584. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=4.at n=8A026589
- a(n) = T(2n,n), T given by A026747.at n=6A026748
- a(n) = T(n, floor(n/2)), T given by A026747.at n=12A026753
- a(n) = greatest number in row n of array T given by A026747.at n=12A027222
- a(n) = sum of squares of numbers in row n of array T given by A026747.at n=6A027229
- Write 1,2,... in a clockwise spiral; sequence gives numbers on positive x axis.at n=29A033951
- Zeckendorf expansion of n: repeatedly subtract the largest Fibonacci number you can until nothing remains. Big-endian concatenation of decimals.at n=41A035514
- Denominators of continued fraction convergents to sqrt(487).at n=8A041929
- Base-7 palindromes that start with 1.at n=37A043015
- Numbers n such that string 5,2 occurs in the base 10 representation of n but not of n-1.at n=37A044384
- Numbers n such that string 5,2 occurs in the base 10 representation of n but not of n+1.at n=37A044765
- a(n) = A045820(n)/2.at n=9A045822