3 × 7 × 53 × 73

Prime Factor Structure

Factorization String 3 × 7 × 53 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 127,872

Proper Divisor Sum 46,623

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #81239 ← → #81281

1 3 7 21 53 73 159 219 371 511 1,113 1,533 3,869 11,607 27,083 81,249

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

81,249 243,748 121,874 60,937 182,812 91,406 45,703 137,110 68,555 205,666 102,833 308,500 154,250 77,125 231,376 115,688 57,844 28,922 14,461 43,384 21,692 10,846 5,423 16,270 8,135 24,406 12,203 36,610 18,305 54,916 27,458 13,729 41,188 20,594 10,297 30,892 15,446 7,723 23,170 11,585 34,756 17,378 8,689 26,068 13,034 6,517 19,552 9,776 4,888 2,444 1,222 611 1,834 917 2,752 1,376 688 344 172 86

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