3 × 73 × 991

Prime Factor Structure

Factorization String 3 × 73 × 991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 293,632

Proper Divisor Sum 76,603

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #217027 ← → #217033

1 3 73 219 991 2,973 72,343 217,029

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

217,029 651,088 325,544 162,772 81,386 40,693 122,080 61,040 30,520 15,260 7,630 3,815 11,446 5,723 17,170 8,585 25,756 12,878 6,439 19,318 9,659 28,978 14,489 43,468 21,734 10,867 32,602 16,301 48,904 24,452 12,226 6,113 18,340 9,170 4,585 13,756 6,878 3,439 10,318 5,159 15,478 7,739 23,218 11,609 34,828 17,414 8,707 26,122 13,061 39,184 19,592 9,796 4,898 2,449 7,348 3,674 1,837 5,512 2,756 1,378

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