395,842

2 × 197921

Starting at 395,842, the Collatz iteration reaches 1 after 68 steps. The first transition is 197921; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 197921

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 593,766

Proper Divisor Sum 197,924

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #395803 ← → #395849

Radix Representation

Decimal	395842
Binary	1100000101001000010 (19 bits)
Octal	0o1405102
Hexadecimal	0x60A42

Divisor Catalog (4)

1 2 197,921 395,842

Collatz Trajectory (68 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

395,842 197,921 593,764 296,882 148,441 445,324 222,662 111,331 333,994 166,997 500,992 250,496 125,248 62,624 31,312 15,656 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13

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