1,998,980

2² × 5 × 127 × 787

Prime Factor Structure

Factorization String 2^2 × 5 × 127 × 787

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 4,236,288

Proper Divisor Sum 2,237,308

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #1998977 ← → #1998991

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

1,998,980 999,490 499,745 1,499,236 749,618 374,809 1,124,428 562,214 281,107 843,322 421,661 1,264,984 632,492 316,246 158,123 474,370 237,185 711,556 355,778 177,889 533,668 266,834 133,417 400,252 200,126 100,063 300,190 150,095 450,286 225,143 675,430 337,715 1,013,146 506,573 1,519,720 759,860 379,930 189,965 569,896 284,948 142,474 71,237 213,712 106,856 53,428 26,714 13,357 40,072 20,036 10,018 5,009 15,028 7,514 3,757 11,272 5,636 2,818 1,409 4,228 2,114

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