6,646,430
2 × 5 × 7 × 94949
Abundant
Even
Composite
Starting at 6,646,430, the Collatz iteration reaches 1 after 284 steps. The first transition is 3323215; the starting value is even with 16 positive divisors.
Resources
Prime Factor Structure
Factorization String
2 × 5 × 7 × 94949
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
13,672,800
Proper Divisor Sum
7,026,370
Digit Sum / Digital Root
29 (Root: 2)
Adjacent Primes
#6646429 ← → #6646477
Radix Representation
| Decimal | 6646430 |
| Binary | 11001010110101010011110 (23 bits) |
| Octal | 0o31265236 |
| Hexadecimal | 0x656A9E |
Divisor Catalog (5 of 16)
Collatz Trajectory (284 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.