257,237
61 × 4217
Deficient
Odd
Composite
Starting at 257,237, the Collatz iteration reaches 1 after 31 steps. The first transition is 771712; the starting value is odd with 4 positive divisors.
Prime Factor Structure
Factorization String
61 × 4217
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
261,516
Proper Divisor Sum
4,279
Digit Sum / Digital Root
26 (Root: 8)
Radix Representation
| Decimal | 257237 |
| Binary | 111110110011010101 (18 bits) |
| Octal | 0o766325 |
| Hexadecimal | 0x3ECD5 |
Divisor Catalog (4)
Collatz Trajectory (31 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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