431,712
25 × 32 × 1499
Abundant
Even
Composite
Starting at 431,712, the Collatz iteration reaches 1 after 81 steps. The first transition is 215856; the starting value is even with 36 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^5 × 3^2 × 1499
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
36
Divisor Sum (σ)
1,228,500
Proper Divisor Sum
796,788
Digit Sum / Digital Root
18 (Root: 9)
Adjacent Primes
#431707 ← → #431729
Radix Representation
| Decimal | 431712 |
| Binary | 1101001011001100000 (19 bits) |
| Octal | 0o1513140 |
| Hexadecimal | 0x69660 |
Divisor Catalog (5 of 36)
Collatz Trajectory (81 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.