9,921,431
13 × 211 × 3617
Deficient
Odd
Composite
Starting at 9,921,431, the Collatz iteration reaches 1 after 163 steps. The first transition is 29764294; the starting value is odd with 8 positive divisors.
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Prime Factor Structure
Factorization String
13 × 211 × 3617
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
10,738,224
Proper Divisor Sum
816,793
Digit Sum / Digital Root
29 (Root: 2)
Radix Representation
| Decimal | 9921431 |
| Binary | 100101110110001110010111 (24 bits) |
| Octal | 0o45661627 |
| Hexadecimal | 0x976397 |
Divisor Catalog (5 of 8)
Collatz Trajectory (163 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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