20,006,129

11 × 13 × 31 × 4513

Prime Factor Structure

Factorization String 11 × 13 × 31 × 4513

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 24,267,264

Proper Divisor Sum 4,261,135

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #20006123 ← → #20006149

1 11 13 31 143 341 403 4,433 4,513 49,643 58,669 139,903 645,359 1,538,933 1,818,739 20,006,129

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

20,006,129 60,018,388 30,009,194 15,004,597 45,013,792 22,506,896 11,253,448 5,626,724 2,813,362 1,406,681 4,220,044 2,110,022 1,055,011 3,165,034 1,582,517 4,747,552 2,373,776 1,186,888 593,444 296,722 148,361 445,084 222,542 111,271 333,814 166,907 500,722 250,361 751,084 375,542 187,771 563,314 281,657 844,972 422,486 211,243 633,730 316,865 950,596 475,298 237,649 712,948 356,474 178,237 534,712 267,356 133,678 66,839 200,518 100,259 300,778 150,389 451,168 225,584 112,792 56,396 28,198 14,099 42,298 21,149

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