66,357
32 × 73 × 101
Deficient
Odd
Composite
Starting at 66,357, the Collatz iteration reaches 1 after 42 steps. The first transition is 199072; the starting value is odd with 12 positive divisors.
Prime Factor Structure
Factorization String
3^2 × 73 × 101
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
98,124
Proper Divisor Sum
31,767
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#66347 ← → #66359
Radix Representation
| Decimal | 66357 |
| Binary | 10000001100110101 (17 bits) |
| Octal | 0o201465 |
| Hexadecimal | 0x10335 |
Divisor Catalog (12)
Collatz Trajectory (42 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):