3703
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 4424
- Proper Divisor Sum (Aliquot Sum)
- 721
- 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
- 3036
- Möbius Function
- 0
- Radical
- 161
- Omega Function (Ω)
- 3
- 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
- 131
- 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
- no
- Odd
- yes
Appears in sequences
- Generalized divisor function. Number of partitions of n with exactly three part sizes.at n=37A002134
- Number of partitions of n into 3 or more parts.at n=27A004250
- Coordination sequence T2 for Zeolite Code AEI.at n=46A008002
- Coordination sequence T3 for Zeolite Code MEL.at n=39A008152
- Coordination sequence T6 for Zeolite Code CON.at n=43A009873
- Numbers k that divide the (right) concatenation of all numbers <= k written in base 23 (most significant digit on left).at n=18A029468
- Numbers k such that 161*2^k+1 is prime.at n=16A032457
- a(n) = floor(10^5/n).at n=26A033427
- a(n) = 7*n^2.at n=23A033582
- Denominators of continued fraction convergents to sqrt(606).at n=10A042163
- Numerators of continued fraction convergents to sqrt(824).at n=7A042590
- Numbers k such that the string 0,3 occurs in the base 10 representation of k but not of k-1.at n=39A044335
- Largest number m with A046805(m) = n.at n=37A046806
- Least inverse of A048182.at n=25A048183
- Smallest composite x such that sigma(x+2^n) = sigma(x) + 2^n.at n=11A054987
- Composite numbers not divisible by 2, 3 or 5 which contain their largest prime factor as a substring in base 2.at n=25A063137
- Numbers that when multiplied by the product of their nonzero digits produce a square.at n=43A066565
- Numbers k such that the squarefree part of k equals A062799(k).at n=16A069551
- Floor[ concatenation of n+2, n+1 and n divided by 3 ].at n=9A075004
- Numbers k such that 2^k + 3^(k-1) is prime.at n=39A082400