3,281,006

2 × 1640503

Starting at 3,281,006, the Collatz iteration reaches 1 after 133 steps. The first transition is 1640503; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1640503

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,921,512

Proper Divisor Sum 1,640,506

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #3280969 ← → #3281011

Radix Representation

Decimal	3281006
Binary	1100100001000001101110 (22 bits)
Octal	0o14410156
Hexadecimal	0x32106E

Divisor Catalog (4)

1 2 1,640,503 3,281,006

Collatz Trajectory (133 steps to reach 1)

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

3,281,006 1,640,503 4,921,510 2,460,755 7,382,266 3,691,133 11,073,400 5,536,700 2,768,350 1,384,175 4,152,526 2,076,263 6,228,790 3,114,395 9,343,186 4,671,593 14,014,780 7,007,390 3,503,695 10,511,086 5,255,543 15,766,630 7,883,315 23,649,946 11,824,973 35,474,920 17,737,460 8,868,730 4,434,365 13,303,096 6,651,548 3,325,774 1,662,887 4,988,662 2,494,331 7,482,994 3,741,497 11,224,492 5,612,246 2,806,123 8,418,370 4,209,185 12,627,556 6,313,778 3,156,889 9,470,668 4,735,334 2,367,667 7,103,002 3,551,501 10,654,504 5,327,252 2,663,626 1,331,813 3,995,440 1,997,720 998,860 499,430 249,715 749,146

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