1,681,938
2 × 33 × 31147
Abundant
Even
Composite
Starting at 1,681,938, the Collatz iteration reaches 1 after 207 steps. The first transition is 840969; the starting value is even with 16 positive divisors.
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Prime Factor Structure
Factorization String
2 × 3^3 × 31147
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
3,737,760
Proper Divisor Sum
2,055,822
Digit Sum / Digital Root
36 (Root: 9)
Radix Representation
| Decimal | 1681938 |
| Binary | 110011010101000010010 (21 bits) |
| Octal | 0o6325022 |
| Hexadecimal | 0x19AA12 |
Divisor Catalog (5 of 16)
Collatz Trajectory (207 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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