87,725

5² × 11² × 29

Prime Factor Structure

Factorization String 5^2 × 11^2 × 29

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 123,690

Proper Divisor Sum 35,965

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #87721 ← → #87739

1 5 11 25 29 55 121 145 275 319 605 725 1,595 3,025 3,509 7,975 17,545 87,725

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

87,725 263,176 131,588 65,794 32,897 98,692 49,346 24,673 74,020 37,010 18,505 55,516 27,758 13,879 41,638 20,819 62,458 31,229 93,688 46,844 23,422 11,711 35,134 17,567 52,702 26,351 79,054 39,527 118,582 59,291 177,874 88,937 266,812 133,406 66,703 200,110 100,055 300,166 150,083 450,250 225,125 675,376 337,688 168,844 84,422 42,211 126,634 63,317 189,952 94,976 47,488 23,744 11,872 5,936 2,968 1,484 742 371 1,114 557

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