3,987,341

409 × 9749

Starting at 3,987,341, the Collatz iteration reaches 1 after 79 steps. The first transition is 11962024; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 409 × 9749

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,997,500

Proper Divisor Sum 10,159

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #3987323 ← → #3987353

Radix Representation

Decimal	3987341
Binary	1111001101011110001101 (22 bits)
Octal	0o17153615
Hexadecimal	0x3CD78D

Divisor Catalog (4)

1 409 9,749 3,987,341

Collatz Trajectory (79 steps to reach 1)

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

3,987,341 11,962,024 5,981,012 2,990,506 1,495,253 4,485,760 2,242,880 1,121,440 560,720 280,360 140,180 70,090 35,045 105,136 52,568 26,284 13,142 6,571 19,714 9,857 29,572 14,786 7,393 22,180 11,090 5,545 16,636 8,318 4,159 12,478 6,239 18,718 9,359 28,078 14,039 42,118 21,059 63,178 31,589 94,768 47,384 23,692 11,846 5,923 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500 1,250 625 1,876 938 469 1,408 704

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