1,998,468

2² × 3² × 43 × 1291

Prime Factor Structure

Factorization String 2^2 × 3^2 × 43 × 1291

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 5,173,168

Proper Divisor Sum 3,174,700

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #1998457 ← → #1998473

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

1,998,468 999,234 499,617 1,498,852 749,426 374,713 1,124,140 562,070 281,035 843,106 421,553 1,264,660 632,330 316,165 948,496 474,248 237,124 118,562 59,281 177,844 88,922 44,461 133,384 66,692 33,346 16,673 50,020 25,010 12,505 37,516 18,758 9,379 28,138 14,069 42,208 21,104 10,552 5,276 2,638 1,319 3,958 1,979 5,938 2,969 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353

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