1,878,370

2 × 5 × 13 × 14449

Starting at 1,878,370, the Collatz iteration reaches 1 after 202 steps. The first transition is 939185; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 13 × 14449

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,641,400

Proper Divisor Sum 1,763,030

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1878367 ← → #1878389

Radix Representation

Decimal	1878370
Binary	111001010100101100010 (21 bits)
Octal	0o7124542
Hexadecimal	0x1CA962

Divisor Catalog (16)

1 2 5 10 13 26 65 130 14,449 28,898 72,245 144,490 187,837 375,674 939,185 1,878,370

Collatz Trajectory (202 steps to reach 1)

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

1,878,370 939,185 2,817,556 1,408,778 704,389 2,113,168 1,056,584 528,292 264,146 132,073 396,220 198,110 99,055 297,166 148,583 445,750 222,875 668,626 334,313 1,002,940 501,470 250,735 752,206 376,103 1,128,310 564,155 1,692,466 846,233 2,538,700 1,269,350 634,675 1,904,026 952,013 2,856,040 1,428,020 714,010 357,005 1,071,016 535,508 267,754 133,877 401,632 200,816 100,408 50,204 25,102 12,551 37,654 18,827 56,482 28,241 84,724 42,362 21,181 63,544 31,772 15,886 7,943 23,830 11,915

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