3,968,906

2 × 1984453

Starting at 3,968,906, the Collatz iteration reaches 1 after 185 steps. The first transition is 1984453; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1984453

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,953,362

Proper Divisor Sum 1,984,456

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #3968897 ← → #3968917

Radix Representation

Decimal	3968906
Binary	1111001000111110001010 (22 bits)
Octal	0o17107612
Hexadecimal	0x3C8F8A

Divisor Catalog (4)

1 2 1,984,453 3,968,906

Collatz Trajectory (185 steps to reach 1)

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

3,968,906 1,984,453 5,953,360 2,976,680 1,488,340 744,170 372,085 1,116,256 558,128 279,064 139,532 69,766 34,883 104,650 52,325 156,976 78,488 39,244 19,622 9,811 29,434 14,717 44,152 22,076 11,038 5,519 16,558 8,279 24,838 12,419 37,258 18,629 55,888 27,944 13,972 6,986 3,493 10,480 5,240 2,620 1,310 655 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210

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