4322
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 6486
- Proper Divisor Sum (Aliquot Sum)
- 2164
- 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
- 2160
- Möbius Function
- 1
- Radical
- 4322
- 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
- 33
- 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
- yes
- Odd
- no
Appears in sequences
- Expansion of e.g.f. 1/(1 - 2*sinh(x)).at n=5A000557
- a(n) = round(1000*log_2(n)).at n=19A004266
- a(n) = ceiling(1000*log_2(n)).at n=19A004267
- Number of points on surface of dodecahedron: a(n) = 30*n^2 + 2 for n > 0.at n=12A005903
- Coordination sequence T4 for Zeolite Code GOO.at n=45A008114
- Coordination sequence T6 for Zeolite Code NES.at n=42A008210
- Coordination sequence T1 for Zeolite Code VNI.at n=40A009907
- Coordination sequence T2 for Zeolite Code ZON.at n=46A009920
- Expansion of 1/((1-x)*(1-3*x)*(1-7*x)*(1-11*x)).at n=3A021614
- a(1) = 3; a(n+1) = a(n)-th composite.at n=26A022451
- a(n) = 2nd elementary symmetric function of {1, prime(1), prime(2), ..., prime(n-1)}, where prime(0) = 1.at n=8A024522
- n written in fractional base 5/4.at n=17A024634
- 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 64.at n=16A031562
- Numbers with exactly five distinct base-8 digits.at n=24A031985
- Numbers k such that 127*2^k+1 is prime.at n=15A032413
- Coordination sequence for Zeolite Code DFT.at n=45A038408
- Coordination sequence T1 for Zeolite Code STF.at n=44A038443
- Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(2,5) + cn(3,5) and cn(0,5) <= cn(4,5) + cn(2,5) + cn(3,5).at n=29A039845
- Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2); sequence gives values of u1.at n=15A048189
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 69 ).at n=33A063342