3,957,521
3957521
Deficient
Odd
Prime
Starting at 3,957,521, the Collatz iteration reaches 1 after 66 steps. The first transition is 11872564; the starting value is odd with 2 positive divisors.
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Prime Factor Structure
Factorization String
3957521
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
3,957,522
Proper Divisor Sum
1
Digit Sum / Digital Root
32 (Root: 5)
Radix Representation
| Decimal | 3957521 |
| Binary | 1111000110001100010001 (22 bits) |
| Octal | 0o17061421 |
| Hexadecimal | 0x3C6311 |
Divisor Catalog (2)
Collatz Trajectory (66 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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