3,129,100

2² × 5² × 13 × 29 × 83

Prime Factor Structure

Factorization String 2^2 × 5^2 × 13 × 29 × 83

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 7,655,760

Proper Divisor Sum 4,526,660

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #3129089 ← → #3129103

1 2 4 5 10 13 20 25 26 29 50 52 58 65 83 100 116 130 145 166 260 290 325 332 377 415 580 650 725 754 830 1,079 1,300 1,450 1,508 1,660 1,885 2,075 2,158 2,407 2,900 3,770 4,150 4,316 4,814 5,395 7,540 8,300 9,425 9,628 10,790 12,035 18,850 21,580 24,070 26,975 31,291 37,700 48,140 53,950

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

3,129,100 1,564,550 782,275 2,346,826 1,173,413 3,520,240 1,760,120 880,060 440,030 220,015 660,046 330,023 990,070 495,035 1,485,106 742,553 2,227,660 1,113,830 556,915 1,670,746 835,373 2,506,120 1,253,060 626,530 313,265 939,796 469,898 234,949 704,848 352,424 176,212 88,106 44,053 132,160 66,080 33,040 16,520 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 94

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