4,081,206

2 × 3 × 349 × 1949

Starting at 4,081,206, the Collatz iteration reaches 1 after 229 steps. The first transition is 2040603; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 349 × 1949

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,190,000

Proper Divisor Sum 4,108,794

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #4081201 ← → #4081213

Radix Representation

Decimal	4081206
Binary	1111100100011000110110 (22 bits)
Octal	0o17443066
Hexadecimal	0x3E4636

Divisor Catalog (16)

1 2 3 6 349 698 1,047 1,949 2,094 3,898 5,847 11,694 680,201 1,360,402 2,040,603 4,081,206

Collatz Trajectory (229 steps to reach 1)

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

4,081,206 2,040,603 6,121,810 3,060,905 9,182,716 4,591,358 2,295,679 6,887,038 3,443,519 10,330,558 5,165,279 15,495,838 7,747,919 23,243,758 11,621,879 34,865,638 17,432,819 52,298,458 26,149,229 78,447,688 39,223,844 19,611,922 9,805,961 29,417,884 14,708,942 7,354,471 22,063,414 11,031,707 33,095,122 16,547,561 49,642,684 24,821,342 12,410,671 37,232,014 18,616,007 55,848,022 27,924,011 83,772,034 41,886,017 125,658,052 62,829,026 31,414,513 94,243,540 47,121,770 23,560,885 70,682,656 35,341,328 17,670,664 8,835,332 4,417,666 2,208,833 6,626,500 3,313,250 1,656,625 4,969,876 2,484,938 1,242,469 3,727,408 1,863,704 931,852

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