4,209,243
3 × 1403081
Deficient
Odd
Composite
Starting at 4,209,243, the Collatz iteration reaches 1 after 128 steps. The first transition is 12627730; the starting value is odd with 4 positive divisors.
Resources
Prime Factor Structure
Factorization String
3 × 1403081
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
5,612,328
Proper Divisor Sum
1,403,085
Digit Sum / Digital Root
24 (Root: 6)
Adjacent Primes
#4209229 ← → #4209259
Radix Representation
| Decimal | 4209243 |
| Binary | 10000000011101001011011 (23 bits) |
| Octal | 0o20035133 |
| Hexadecimal | 0x403A5B |
Divisor Catalog (4)
Collatz Trajectory (128 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.