628,743
3 × 209581
Deficient
Odd
Composite
Starting at 628,743, the Collatz iteration reaches 1 after 128 steps. The first transition is 1886230; the starting value is odd with 4 positive divisors.
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Prime Factor Structure
Factorization String
3 × 209581
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
838,328
Proper Divisor Sum
209,585
Digit Sum / Digital Root
30 (Root: 3)
Radix Representation
| Decimal | 628743 |
| Binary | 10011001100000000111 (20 bits) |
| Octal | 0o2314007 |
| Hexadecimal | 0x99807 |
Divisor Catalog (4)
Collatz Trajectory (128 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.
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