3 × 7 × 13 × 1619

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1619

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 725,760

Proper Divisor Sum 283,773

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #441971 ← → #442003

1 3 7 13 21 39 91 273 1,619 4,857 11,333 21,047 33,999 63,141 147,329 441,987

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

441,987 1,325,962 662,981 1,988,944 994,472 497,236 248,618 124,309 372,928 186,464 93,232 46,616 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846

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