2,605,984
25 × 31 × 37 × 71
Abundant
Even
Composite
Starting at 2,605,984, the Collatz iteration reaches 1 after 42 steps. The first transition is 1302992; the starting value is even with 48 positive divisors.
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Prime Factor Structure
Factorization String
2^5 × 31 × 37 × 71
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
48
Divisor Sum (σ)
5,515,776
Proper Divisor Sum
2,909,792
Digit Sum / Digital Root
34 (Root: 7)
Radix Representation
| Decimal | 2605984 |
| Binary | 1001111100001110100000 (22 bits) |
| Octal | 0o11741640 |
| Hexadecimal | 0x27C3A0 |
Divisor Catalog (5 of 48)
Collatz Trajectory (42 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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