2 × 3 × 5 × 7 × 1861

Prime Factor Structure

Factorization String 2 × 3 × 5 × 7 × 1861

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,072,512

Proper Divisor Sum 681,702

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #390809 ← → #390821

1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1,861 3,722 5,583 9,305 11,166 13,027 18,610 26,054 27,915 39,081 55,830 65,135 78,162 130,270 195,405 390,810

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

390,810 195,405 586,216 293,108 146,554 73,277 219,832 109,916 54,958 27,479 82,438 41,219 123,658 61,829 185,488 92,744 46,372 23,186 11,593 34,780 17,390 8,695 26,086 13,043 39,130 19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879

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