2,139,137

7 × 11 × 13 × 2137

Prime Factor Structure

Factorization String 7 × 11 × 13 × 2137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,873,472

Proper Divisor Sum 734,335

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2139131 ← → #2139143

1 7 11 13 77 91 143 1,001 2,137 14,959 23,507 27,781 164,549 194,467 305,591 2,139,137

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

2,139,137 6,417,412 3,208,706 1,604,353 4,813,060 2,406,530 1,203,265 3,609,796 1,804,898 902,449 2,707,348 1,353,674 676,837 2,030,512 1,015,256 507,628 253,814 126,907 380,722 190,361 571,084 285,542 142,771 428,314 214,157 642,472 321,236 160,618 80,309 240,928 120,464 60,232 30,116 15,058 7,529 22,588 11,294 5,647 16,942 8,471 25,414 12,707 38,122 19,061 57,184 28,592 14,296 7,148 3,574 1,787 5,362 2,681 8,044 4,022 2,011 6,034 3,017 9,052 4,526 2,263

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