1,990,101

3 × 67 × 9901

Prime Factor Structure

Factorization String 3 × 67 × 9901

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 2,693,344

Proper Divisor Sum 703,243

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1990081 ← → #1990103

1 3 67 201 9,901 29,703 663,367 1,990,101

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

1,990,101 5,970,304 2,985,152 1,492,576 746,288 373,144 186,572 93,286 46,643 139,930 69,965 209,896 104,948 52,474 26,237 78,712 39,356 19,678 9,839 29,518 14,759 44,278 22,139 66,418 33,209 99,628 49,814 24,907 74,722 37,361 112,084 56,042 28,021 84,064 42,032 21,016 10,508 5,254 2,627 7,882 3,941 11,824 5,912 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20 10

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