3770
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 7560
- Proper Divisor Sum (Aliquot Sum)
- 3790
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 1344
- Möbius Function
- 1
- Radical
- 3770
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 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
- Number of n-node trees with a forbidden limb of length 3.at n=15A002989
- Primitive pseudoperfect numbers.at n=53A006036
- Primitive nondeficient numbers.at n=41A006039
- a(n) = (5*n + 1)^2 + 4*n + 1.at n=12A007533
- Coordination sequence T2 for Zeolite Code MFS.at n=38A008174
- Coordination sequence T1 for Zeolite Code MTT.at n=38A008189
- Coordination sequence T5 for Zeolite Code NON.at n=37A008216
- Aliquot sequence starting at 276.at n=5A008892
- Numbers k such that the continued fraction for sqrt(k) has period 3.at n=15A013643
- Pisot sequence T(7,10), a(n) = floor(a(n-1)^2/a(n-2)).at n=30A020752
- Fibonacci sequence beginning 0, 10.at n=14A022093
- a(n) = n*(9*n - 1)/2.at n=29A022266
- Numbers that are the sum of 2 nonzero squares in exactly 4 ways.at n=13A025287
- Numbers that are the sum of 2 nonzero squares in 4 or more ways.at n=13A025295
- Numbers that are the sum of 2 distinct nonzero squares in exactly 4 ways.at n=13A025305
- Numbers that are the sum of 2 distinct nonzero squares in 4 or more ways.at n=13A025314
- Numbers whose set of base-12 digits is {2,3}.at n=14A032812
- Numbers whose set of base-12 digits is {1,2}.at n=29A032932
- Numbers whose base-12 expansion has no run of digits with length < 2.at n=36A033025
- Number of partitions of n such that cn(1,5) <= cn(0,5) = cn(2,5) <= cn(3,5) = cn(4,5).at n=64A036849