1,644,486
2 × 3 × 274081
Abundant
Even
Composite
Starting at 1,644,486, the Collatz iteration reaches 1 after 83 steps. The first transition is 822243; the starting value is even with 8 positive divisors.
Resources
Prime Factor Structure
Factorization String
2 × 3 × 274081
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
3,288,984
Proper Divisor Sum
1,644,498
Digit Sum / Digital Root
33 (Root: 6)
Adjacent Primes
#1644451 ← → #1644491
Radix Representation
| Decimal | 1644486 |
| Binary | 110010001011111000110 (21 bits) |
| Octal | 0o6213706 |
| Hexadecimal | 0x1917C6 |
Divisor Catalog (5 of 8)
Collatz Trajectory (83 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.