1,979,850
2 × 3 × 52 × 67 × 197
Abundant
Even
Composite
Starting at 1,979,850, the Collatz iteration reaches 1 after 65 steps. The first transition is 989925; the starting value is even with 48 positive divisors.
Resources
Prime Factor Structure
Factorization String
2 × 3 × 5^2 × 67 × 197
Distinct Prime Factors
5
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
48
Divisor Sum (σ)
5,008,608
Proper Divisor Sum
3,028,758
Digit Sum / Digital Root
39 (Root: 3)
Adjacent Primes
#1979827 ← → #1979891
Radix Representation
| Decimal | 1979850 |
| Binary | 111100011010111001010 (21 bits) |
| Octal | 0o7432712 |
| Hexadecimal | 0x1E35CA |
Divisor Catalog (5 of 48)
Collatz Trajectory (65 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.