2² × 5² × 4139

Prime Factor Structure

Factorization String 2^2 × 5^2 × 4139

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 898,380

Proper Divisor Sum 484,480

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #413887 ← → #413911

1 2 4 5 10 20 25 50 100 4,139 8,278 16,556 20,695 41,390 82,780 103,475 206,950 413,900

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

413,900 206,950 103,475 310,426 155,213 465,640 232,820 116,410 58,205 174,616 87,308 43,654 21,827 65,482 32,741 98,224 49,112 24,556 12,278 6,139 18,418 9,209 27,628 13,814 6,907 20,722 10,361 31,084 15,542 7,771 23,314 11,657 34,972 17,486 8,743 26,230 13,115 39,346 19,673 59,020 29,510 14,755 44,266 22,133 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766

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