1,369,900

2² × 5² × 7 × 19 × 103

Prime Factor Structure

Factorization String 2^2 × 5^2 × 7 × 19 × 103

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 3,610,880

Proper Divisor Sum 2,240,980

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1369897 ← → #1369943

1 2 4 5 7 10 14 19 20 25 28 35 38 50 70 76 95 100 103 133 140 175 190 206 266 350 380 412 475 515 532 665 700 721 950 1,030 1,330 1,442 1,900 1,957 2,060 2,575 2,660 2,884 3,325 3,605 3,914 5,150 6,650 7,210 7,828 9,785 10,300 13,300 13,699 14,420 18,025 19,570 27,398 36,050

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

1,369,900 684,950 342,475 1,027,426 513,713 1,541,140 770,570 385,285 1,155,856 577,928 288,964 144,482 72,241 216,724 108,362 54,181 162,544 81,272 40,636 20,318 10,159 30,478 15,239 45,718 22,859 68,578 34,289 102,868 51,434 25,717 77,152 38,576 19,288 9,644 4,822 2,411 7,234 3,617 10,852 5,426 2,713 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451

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