3500
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 8736
- Proper Divisor Sum (Aliquot Sum)
- 5236
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1200
- Möbius Function
- 0
- Radical
- 70
- Omega Function (Ω)
- 6
- 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
- 30
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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 3 nonnegative cubes in more than 1 way.at n=34A001239
- Coordination sequence T2 for Zeolite Code LTN.at n=41A008141
- Coordination sequence T3 for Zeolite Code MEP.at n=35A008159
- Coordination sequence T2 for Zeolite Code AHT.at n=40A009867
- Coordination sequence T6 for Zeolite Code DFO.at n=45A009880
- Triangle of coefficients in expansion of (5+7x)^n.at n=11A013626
- dot product (n,n-1,...2,1).(3,4,...,n,1,2).at n=22A026054
- Number of partitions of n with equal number of parts congruent to each of 1 and 2 (mod 5).at n=40A035556
- Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*5^j.at n=13A038271
- Numbers whose square is a difference between 2 positive cubes in at least one way.at n=40A038597
- Numbers having four 0's in base 5.at n=18A043352
- Numbers k such that the string 0,0 occurs in the base 10 representation of k but not of k-1.at n=34A044332
- Numbers n such that string 5,0 occurs in the base 10 representation of n but not of n-1.at n=38A044382
- Numbers n such that string 0,0 occurs in the base 10 representation of n but not of n+1.at n=34A044713
- A B2-sequence due to Rachel Lewis.at n=44A046185
- Generalized Stirling number triangle of first kind.at n=12A048176
- Number of rooted trees with n nodes with every leaf at height 3.at n=20A048808
- Expansion of (1-25*x)^(-2/5).at n=3A049380
- Lesser members of g-reduced amicable pairs a < b such that sigma(a) = sigma(b) = a + b + gcd(a,b).at n=20A054573
- Numbers n such that n | sigma_10(n).at n=31A055714