2,221,071

3 × 53 × 61 × 229

Prime Factor Structure

Factorization String 3 × 53 × 61 × 229

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 3,080,160

Proper Divisor Sum 859,089

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #2221069 ← → #2221097

1 3 53 61 159 183 229 687 3,233 9,699 12,137 13,969 36,411 41,907 740,357 2,221,071

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

2,221,071 6,663,214 3,331,607 9,994,822 4,997,411 14,992,234 7,496,117 22,488,352 11,244,176 5,622,088 2,811,044 1,405,522 702,761 2,108,284 1,054,142 527,071 1,581,214 790,607 2,371,822 1,185,911 3,557,734 1,778,867 5,336,602 2,668,301 8,004,904 4,002,452 2,001,226 1,000,613 3,001,840 1,500,920 750,460 375,230 187,615 562,846 281,423 844,270 422,135 1,266,406 633,203 1,899,610 949,805 2,849,416 1,424,708 712,354 356,177 1,068,532 534,266 267,133 801,400 400,700 200,350 100,175 300,526 150,263 450,790 225,395 676,186 338,093 1,014,280 507,140

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