581,391
33 × 61 × 353
Deficient
Odd
Composite
Starting at 581,391, the Collatz iteration reaches 1 after 97 steps. The first transition is 1744174; the starting value is odd with 16 positive divisors.
Resources
Prime Factor Structure
Factorization String
3^3 × 61 × 353
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
877,920
Proper Divisor Sum
296,529
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#581377 ← → #581393
Radix Representation
| Decimal | 581391 |
| Binary | 10001101111100001111 (20 bits) |
| Octal | 0o2157417 |
| Hexadecimal | 0x8DF0F |
Divisor Catalog (5 of 16)
Collatz Trajectory (97 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.