1,235,618
2 × 617809
Deficient
Even
Composite
Starting at 1,235,618, the Collatz iteration reaches 1 after 142 steps. The first transition is 617809; the starting value is even with 4 positive divisors.
Resources
Prime Factor Structure
Factorization String
2 × 617809
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
1,853,430
Proper Divisor Sum
617,812
Digit Sum / Digital Root
26 (Root: 8)
Adjacent Primes
#1235593 ← → #1235651
Radix Representation
| Decimal | 1235618 |
| Binary | 100101101101010100010 (21 bits) |
| Octal | 0o4555242 |
| Hexadecimal | 0x12DAA2 |
Divisor Catalog (4)
Collatz Trajectory (142 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.