402,778
2 × 201389
Deficient
Even
Composite
Starting at 402,778, the Collatz iteration reaches 1 after 68 steps. The first transition is 201389; the starting value is even with 4 positive divisors.
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Prime Factor Structure
Factorization String
2 × 201389
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
604,170
Proper Divisor Sum
201,392
Digit Sum / Digital Root
28 (Root: 1)
Radix Representation
| Decimal | 402778 |
| Binary | 1100010010101011010 (19 bits) |
| Octal | 0o1422532 |
| Hexadecimal | 0x6255A |
Divisor Catalog (4)
Collatz Trajectory (68 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.
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