2,138,552

2³ × 13 × 20563

Prime Factor Structure

Factorization String 2^3 × 13 × 20563

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 4,318,440

Proper Divisor Sum 2,179,888

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2138551 ← → #2138569

1 2 4 8 13 26 52 104 20,563 41,126 82,252 164,504 267,319 534,638 1,069,276 2,138,552

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

2,138,552 1,069,276 534,638 267,319 801,958 400,979 1,202,938 601,469 1,804,408 902,204 451,102 225,551 676,654 338,327 1,014,982 507,491 1,522,474 761,237 2,283,712 1,141,856 570,928 285,464 142,732 71,366 35,683 107,050 53,525 160,576 80,288 40,144 20,072 10,036 5,018 2,509 7,528 3,764 1,882 941 2,824 1,412 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380

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