3526
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 5544
- Proper Divisor Sum (Aliquot Sum)
- 2018
- 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
- 1680
- Möbius Function
- -1
- Radical
- 3526
- 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
- 118
- 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
- a(n) = floor(1000*log(n)).at n=33A004240
- a(n) = 1000*log(n) rounded to the nearest integer.at n=33A004241
- Series for second parallel moment of square lattice (eventually changes sign).at n=7A006733
- Coordination sequence T4 for Zeolite Code MFS.at n=37A008176
- Coordination sequence T1 for Zeolite Code NON.at n=36A008212
- Coordination sequence T1 for Keatite.at n=33A009844
- Coordination sequence T3 for Zeolite Code RTH.at n=41A009895
- Numbers whose base-3 representation is the juxtaposition of two identical strings.at n=42A020331
- Numbers whose base-9 representation is the juxtaposition of two identical strings.at n=42A020337
- a(n) = least 2k such that p is the least prime in a Goldbach partition of 2k, where p = prime(n).at n=16A025017
- Numbers in which all pairs of consecutive base-9 digits differ by 3.at n=46A033080
- Number of partitions of n with equal nonzero number of parts congruent to each of 0, 1 and 2 (mod 5).at n=53A035582
- Numbers k such that k-th and (k+1)-st term of A038593 differ by 10.at n=47A038641
- Period of n-countdown club-passing juggling pattern.at n=40A039720
- Denominators of continued fraction convergents to sqrt(110).at n=5A041199
- Denominators of continued fraction convergents to sqrt(990).at n=5A042917
- Numbers whose base-5 representation contains exactly two 0's and three 1's.at n=37A045168
- a(n) = 2*n^2 - 2.at n=41A054000
- Number of primitive (aperiodic) step shifted (decimated) sequence structures using a maximum of six different symbols.at n=8A056405
- McKay-Thompson series of class 9B for the Monster group.at n=22A058091