3535
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
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 4896
- Proper Divisor Sum (Aliquot Sum)
- 1361
- 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
- 2400
- Möbius Function
- -1
- Radical
- 3535
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 149
- 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
- no
- Odd
- yes
Appears in sequences
- Tenth column of quintinomial coefficients.at n=4A000575
- Number of strict 5th-order maximal independent sets in path graph.at n=46A007385
- Doublets: base-10 representation is the juxtaposition of two identical strings.at n=34A020338
- Expansion of Product_{m>=1} 1/(1 - m*q^m)^7.at n=5A022731
- Number of partitions of n into 9 unordered relatively prime parts.at n=31A023029
- Convolution of (F(2), F(3), F(4), ...) and A014306.at n=16A023656
- Number of distinct products i*j with 0 <= i, j <= n-th prime.at n=28A027419
- Triangle of the square of the normalized, unsigned Stirling matrix of the first kind.at n=18A027477
- Second subdiagonal of triangle A027477, constructed from the Stirling numbers of the first kind.at n=3A027481
- Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 7.at n=42A031410
- a(n) = floor(10000/sqrt(n)).at n=7A033433
- Sort then Add, a(1)=19.at n=10A033900
- Numbers having, in base 15, (sum of even run lengths)=(sum of odd run lengths).at n=23A044886
- Numbers whose base-4 representation contains exactly one 0 and four 3's.at n=23A045070
- Numbers whose base-4 representation contains exactly one 1 and four 3's.at n=26A045118
- Numbers whose base-4 representation contains no 2's and exactly four 3's.at n=30A045137
- Numbers of the form p*q*r where p,q,r are (not necessarily distinct) odd palindromic primes (odd terms from A002385).at n=40A046373
- Numbers with exactly 3 distinct palindromic prime factors.at n=43A046401
- Numbers of the form p*q*r where p,q,r are distinct odd palindromic primes (odd terms from A002385).at n=13A046405
- Number of horizontally convex n-ominoes in which the top row has exactly 1 square.at n=8A049219