4533
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
- 4
- Divisor Sum
- 6048
- Proper Divisor Sum (Aliquot Sum)
- 1515
- 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
- 3020
- Möbius Function
- 1
- Radical
- 4533
- 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
- 64
- 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
- Coordination sequence T2 for Zeolite Code ATV.at n=43A008044
- Coordination sequence T2 for Zeolite Code VNI.at n=41A009908
- Numbers k such that the continued fraction for sqrt(k) has period 72.at n=9A020411
- n written in fractional base 7/4.at n=45A024641
- (d(n)-r(n))/2, where d = A008778 and r is the periodic sequence with fundamental period (1,1,0,1).at n=34A026052
- 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 44.at n=26A031542
- Number of partitions of n with equal number of parts congruent to each of 1, 2 and 4 (mod 5).at n=54A035579
- Smallest of three consecutive squarefree numbers k, k+1, k+2 of the form p*q where p and q are distinct primes.at n=44A039833
- a(1) = 4; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime.at n=36A046254
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 24.at n=25A051965
- Binomial transform of A000048.at n=10A054197
- Number of mobiles (circular rooted trees) with n nodes and 3 leaves.at n=19A055341
- Numbers k such that floor(k*e) is a square.at n=43A062268
- Numbers n such that phi(2n-1) = sigma(n).at n=25A067230
- Numbers n such that sigma(n)=phi(n*bigomega(n)-1).at n=17A067877
- Numbers k such that sigma(k) = phi(k*omega(k)-1).at n=26A067878
- Final terms of rows in A077341.at n=44A077343
- Total number of smallest parts in all partitions of n into odd parts.at n=35A092268
- Integer part of the area of consecutive prime sided isosceles triangles.at n=25A097442
- Odd terms of A059756.at n=2A111042