4763
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5208
- Proper Divisor Sum (Aliquot Sum)
- 445
- 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
- 4320
- Möbius Function
- 1
- Radical
- 4763
- 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
- 196
- 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
- Number of monosubstituted alkanes C(n)H(2n+1)-X of the form shown in the Comments lines that are not stereoisomers.at n=19A000624
- Numbers that are the sum of 10 positive 7th powers.at n=24A003377
- Coordination sequence T3 for Zeolite Code DAC.at n=44A008069
- Coordination sequence T4 for Zeolite Code MFI.at n=44A008167
- Coordination sequence T1 for Zeolite Code STI.at n=47A008234
- a(0) = 1, a(n) = 9*n^2 + 2 for n>0.at n=23A010002
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFT = AlPO4-52 starting with a T2 atom.at n=5A018968
- 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 69.at n=0A031567
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 69.at n=0A031747
- Concatenation of n-th prime number and n-th lucky number.at n=14A032603
- Number of partitions in parts not of the form 19k, 19k+1 or 19k-1. Also number of partitions with no part of size 1 and differences between parts at distance 8 are greater than 1.at n=38A035970
- Number of partitions satisfying (cn(1,5) = cn(4,5) and cn(0,5) <= cn(2,5) and cn(0,5) <= cn(3,5) and cn(1,5) <= cn(2,5) and cn(1,5) <= cn(3,5)).at n=47A036817
- Numerators of continued fraction convergents to sqrt(758).at n=6A042460
- Multiplicity of irreducible character IRR2 of Monster simple group in n-th head character.at n=27A055771
- Engel expansion of 1/log(2) = 1.4427...at n=11A059183
- a(n) = floor(n^3/9).at n=35A061263
- Smallest number which requires n^2 steps in the 3x+1 problem.at n=14A066773
- a(1)=1, a(n) is the smallest integer > a(n-1) such that the largest element in the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals 3n.at n=32A070899
- Numbers n for which there are exactly nine k such that n = k + reverse(k).at n=26A072433
- Erroneous duplicate of A068620.at n=7A073953