4106
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
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 6162
- Proper Divisor Sum (Aliquot Sum)
- 2056
- 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
- 2052
- Möbius Function
- 1
- Radical
- 4106
- 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
- 38
- 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
- Numbers that are the sum of 12 positive 11th powers.at n=2A004823
- Numbers that are the sum of at most 12 positive 11th powers.at n=35A004918
- a(n) = 1 + F(2*n+1) + (-1)^n*L(n).at n=9A006172
- Coordination sequence T3 for Zeolite Code NES.at n=41A008207
- Coordination sequence T2 for Moganite, also for BGB1.at n=41A008259
- Coordination sequence for quartz.at n=36A008261
- Coordination sequence T7 for Zeolite Code VNI.at n=39A009913
- Coordination sequence for MgNi2, Position Ni1.at n=16A009933
- Numbers k such that the continued fraction for sqrt(k) has period 7.at n=30A010338
- Number of ordered triples of integers from [ 1,n ] with no common factors between pairs.at n=42A015632
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 4.at n=33A031417
- Numbers whose base-4 representation has 4 more 0's than 3's.at n=27A031465
- Positive numbers having the same set of digits in base 3 and base 8.at n=29A037420
- Positive numbers having the same set of digits in base 4 and base 8.at n=39A037426
- Coordination sequence T1 for Zeolite Code STF.at n=43A038443
- Numbers having, in base 16, (sum of even run lengths)=(sum of odd run lengths).at n=9A044887
- Numbers whose base-4 representation contains exactly four 0's and one 1.at n=21A045034
- Numbers whose base-4 representation contains exactly four 0's and two 2's.at n=5A045059
- Numbers whose base-4 representation contains exactly four 0's and no 3's.at n=25A045081
- a(n) is smallest difference d of an arithmetic progression dk+1 whose first prime occurs at the n-th position.at n=22A047980