1,305,280
26 × 5 × 4079
Abundant
Even
Composite
Starting at 1,305,280, the Collatz iteration reaches 1 after 93 steps. The first transition is 652640; the starting value is even with 28 positive divisors.
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Prime Factor Structure
Factorization String
2^6 × 5 × 4079
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
28
Divisor Sum (σ)
3,108,960
Proper Divisor Sum
1,803,680
Digit Sum / Digital Root
19 (Root: 1)
Radix Representation
| Decimal | 1305280 |
| Binary | 100111110101011000000 (21 bits) |
| Octal | 0o4765300 |
| Hexadecimal | 0x13EAC0 |
Divisor Catalog (5 of 28)
Collatz Trajectory (93 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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