1,739,780

2² × 5 × 7 × 17² × 43

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 17^2 × 43

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 4,538,688

Proper Divisor Sum 2,798,908

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1739767 ← → #1739791

1 2 4 5 7 10 14 17 20 28 34 35 43 68 70 85 86 119 140 170 172 215 238 289 301 340 430 476 578 595 602 731 860 1,156 1,190 1,204 1,445 1,462 1,505 2,023 2,380 2,890 2,924 3,010 3,655 4,046 5,117 5,780 6,020 7,310 8,092 10,115 10,234 12,427 14,620 20,230 20,468 24,854 25,585 40,460

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

1,739,780 869,890 434,945 1,304,836 652,418 326,209 978,628 489,314 244,657 733,972 366,986 183,493 550,480 275,240 137,620 68,810 34,405 103,216 51,608 25,804 12,902 6,451 19,354 9,677 29,032 14,516 7,258 3,629 10,888 5,444 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308

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