1,121,428
22 × 7 × 112 × 331
Abundant
Even
Composite
Starting at 1,121,428, the Collatz iteration reaches 1 after 222 steps. The first transition is 560714; the starting value is even with 36 positive divisors.
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Prime Factor Structure
Factorization String
2^2 × 7 × 11^2 × 331
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
36
Divisor Sum (σ)
2,472,736
Proper Divisor Sum
1,351,308
Digit Sum / Digital Root
19 (Root: 1)
Radix Representation
| Decimal | 1121428 |
| Binary | 100010001110010010100 (21 bits) |
| Octal | 0o4216224 |
| Hexadecimal | 0x111C94 |
Divisor Catalog (5 of 36)
Collatz Trajectory (222 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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