1,222,805
5 × 244561
Deficient
Odd
Composite
Starting at 1,222,805, the Collatz iteration reaches 1 after 173 steps. The first transition is 3668416; the starting value is odd with 4 positive divisors.
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Prime Factor Structure
Factorization String
5 × 244561
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
1,467,372
Proper Divisor Sum
244,567
Digit Sum / Digital Root
20 (Root: 2)
Radix Representation
| Decimal | 1222805 |
| Binary | 100101010100010010101 (21 bits) |
| Octal | 0o4524225 |
| Hexadecimal | 0x12A895 |
Divisor Catalog (4)
Collatz Trajectory (173 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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