3,815,386

2 × 1907693

Starting at 3,815,386, the Collatz iteration reaches 1 after 172 steps. The first transition is 1907693; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1907693

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,723,082

Proper Divisor Sum 1,907,696

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #3815381 ← → #3815389

Radix Representation

Decimal	3815386
Binary	1110100011011111011010 (22 bits)
Octal	0o16433732
Hexadecimal	0x3A37DA

Divisor Catalog (4)

1 2 1,907,693 3,815,386

Collatz Trajectory (172 steps to reach 1)

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

3,815,386 1,907,693 5,723,080 2,861,540 1,430,770 715,385 2,146,156 1,073,078 536,539 1,609,618 804,809 2,414,428 1,207,214 603,607 1,810,822 905,411 2,716,234 1,358,117 4,074,352 2,037,176 1,018,588 509,294 254,647 763,942 381,971 1,145,914 572,957 1,718,872 859,436 429,718 214,859 644,578 322,289 966,868 483,434 241,717 725,152 362,576 181,288 90,644 45,322 22,661 67,984 33,992 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036

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