3,969,946
2 × 991 × 2003
Deficient
Even
Composite
Starting at 3,969,946, the Collatz iteration reaches 1 after 185 steps. The first transition is 1984973; the starting value is even with 8 positive divisors.
Resources
Prime Factor Structure
Factorization String
2 × 991 × 2003
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
5,963,904
Proper Divisor Sum
1,993,958
Digit Sum / Digital Root
46 (Root: 1)
Adjacent Primes
#3969943 ← → #3969971
Radix Representation
| Decimal | 3969946 |
| Binary | 1111001001001110011010 (22 bits) |
| Octal | 0o17111632 |
| Hexadecimal | 0x3C939A |
Divisor Catalog (5 of 8)
Collatz Trajectory (185 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.