990,396

2² × 3² × 11 × 41 × 61

Prime Factor Structure

Factorization String 2^2 × 3^2 × 11 × 41 × 61

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 2,843,568

Proper Divisor Sum 1,853,172

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #990389 ← → #990397

1 2 3 4 6 9 11 12 18 22 33 36 41 44 61 66 82 99 122 123 132 164 183 198 244 246 366 369 396 451 492 549 671 732 738 902 1,098 1,342 1,353 1,476 1,804 2,013 2,196 2,501 2,684 2,706 4,026 4,059 5,002 5,412 6,039 7,503 8,052 8,118 10,004 12,078 15,006 16,236 22,509 24,156

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

990,396 495,198 247,599 742,798 371,399 1,114,198 557,099 1,671,298 835,649 2,506,948 1,253,474 626,737 1,880,212 940,106 470,053 1,410,160 705,080 352,540 176,270 88,135 264,406 132,203 396,610 198,305 594,916 297,458 148,729 446,188 223,094 111,547 334,642 167,321 501,964 250,982 125,491 376,474 188,237 564,712 282,356 141,178 70,589 211,768 105,884 52,942 26,471 79,414 39,707 119,122 59,561 178,684 89,342 44,671 134,014 67,007 201,022 100,511 301,534 150,767 452,302 226,151

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