3558
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 7128
- Proper Divisor Sum (Aliquot Sum)
- 3570
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 1184
- Möbius Function
- -1
- Radical
- 3558
- 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
- no
- 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
- yes
- Odd
- no
Appears in sequences
- Coordination sequence T1 for Zeolite Code GME and AFX.at n=45A008110
- Coordination sequence T3 for Zeolite Code -WEN.at n=43A009864
- 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 T2 atom.at n=11A019089
- Numbers k such that the continued fraction for sqrt(k) has period 38.at n=39A020377
- a(n) = sum of the numbers between the two n's in A026370.at n=30A026373
- Coordination sequence T2 for Zeolite Code ITE.at n=41A027370
- Numbers having period-1 7-digitized sequences.at n=19A031201
- 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 58.at n=14A031556
- "EGJ" (unordered, element, labeled) transform of 2,2,2,2...at n=7A032312
- Coordination sequence T3 for Zeolite Code SBE.at n=48A033606
- Coordination sequence T4 for Zeolite Code SBS.at n=47A033611
- Numbers n such that string 5,8 occurs in the base 10 representation of n but not of n-1.at n=38A044390
- Numbers n such that string 5,8 occurs in the base 10 representation of n but not of n+1.at n=38A044771
- Number of ternary cubefree words of length n.at n=8A051042
- Expansion of g.f. x^3/(1 - 2*x + x^3 - x^4).at n=13A059633
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 57 ).at n=40A063330
- Array defined in A064643 read from left to right (cf. A107783).at n=24A064644
- Number of Bottleneck-Monge matrices with 3 rows. In the formula below, P=3.at n=5A070051
- Number of Bottleneck-Monge matrices with 6 rows.at n=2A070054
- Squarefree numbers sandwiched between a pair of twin primes.at n=29A070195