3,148,138

2 × 7 × 109 × 2063

Starting at 3,148,138, the Collatz iteration reaches 1 after 120 steps. The first transition is 1574069; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 109 × 2063

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,448,960

Proper Divisor Sum 2,300,822

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #3148121 ← → #3148139

Radix Representation

Decimal	3148138
Binary	1100000000100101101010 (22 bits)
Octal	0o14004552
Hexadecimal	0x30096A

Divisor Catalog (16)

1 2 7 14 109 218 763 1,526 2,063 4,126 14,441 28,882 224,867 449,734 1,574,069 3,148,138

Collatz Trajectory (120 steps to reach 1)

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

3,148,138 1,574,069 4,722,208 2,361,104 1,180,552 590,276 295,138 147,569 442,708 221,354 110,677 332,032 166,016 83,008 41,504 20,752 10,376 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566

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