128,410
2 × 5 × 12841
Deficient
Even
Composite
Starting at 128,410, the Collatz iteration reaches 1 after 48 steps. The first transition is 64205; the starting value is even with 8 positive divisors.
Prime Factor Structure
Factorization String
2 × 5 × 12841
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
231,156
Proper Divisor Sum
102,746
Digit Sum / Digital Root
16 (Root: 7)
Adjacent Primes
#128399 ← → #128411
Radix Representation
| Decimal | 128410 |
| Binary | 11111010110011010 (17 bits) |
| Octal | 0o372632 |
| Hexadecimal | 0x1F59A |
Divisor Catalog (8)
Collatz Trajectory (48 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):