1,001,990

2 × 5 × 11 × 9109

Prime Factor Structure

Factorization String 2 × 5 × 11 × 9109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,967,760

Proper Divisor Sum 965,770

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1001989 ← → #1002017

1 2 5 10 11 22 55 110 9,109 18,218 45,545 91,090 100,199 200,398 500,995 1,001,990

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

1,001,990 500,995 1,502,986 751,493 2,254,480 1,127,240 563,620 281,810 140,905 422,716 211,358 105,679 317,038 158,519 475,558 237,779 713,338 356,669 1,070,008 535,004 267,502 133,751 401,254 200,627 601,882 300,941 902,824 451,412 225,706 112,853 338,560 169,280 84,640 42,320 21,160 10,580 5,290 2,645 7,936 3,968 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182

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