3,528,891

3² × 392099

Starting at 3,528,891, the Collatz iteration reaches 1 after 172 steps. The first transition is 10586674; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 392099

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 5,097,300

Proper Divisor Sum 1,568,409

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #3528887 ← → #3528907

Radix Representation

Decimal	3528891
Binary	1101011101100010111011 (22 bits)
Octal	0o15354273
Hexadecimal	0x35D8BB

Divisor Catalog (6)

1 3 9 392,099 1,176,297 3,528,891

Collatz Trajectory (172 steps to reach 1)

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

3,528,891 10,586,674 5,293,337 15,880,012 7,940,006 3,970,003 11,910,010 5,955,005 17,865,016 8,932,508 4,466,254 2,233,127 6,699,382 3,349,691 10,049,074 5,024,537 15,073,612 7,536,806 3,768,403 11,305,210 5,652,605 16,957,816 8,478,908 4,239,454 2,119,727 6,359,182 3,179,591 9,538,774 4,769,387 14,308,162 7,154,081 21,462,244 10,731,122 5,365,561 16,096,684 8,048,342 4,024,171 12,072,514 6,036,257 18,108,772 9,054,386 4,527,193 13,581,580 6,790,790 3,395,395 10,186,186 5,093,093 15,279,280 7,639,640 3,819,820 1,909,910 954,955 2,864,866 1,432,433 4,297,300 2,148,650 1,074,325 3,222,976 1,611,488 805,744

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