7 × 13 × 59 × 61²

Prime Factor Structure

Factorization String 7 × 13 × 59 × 61^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 25,421,760

Proper Divisor Sum 5,443,711

Digit Sum / Digital Root 47 (Root: 2)

Adjacent Primes #19978037 ← → #19978067

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

19,978,049 59,934,148 29,967,074 14,983,537 44,950,612 22,475,306 11,237,653 33,712,960 16,856,480 8,428,240 4,214,120 2,107,060 1,053,530 526,765 1,580,296 790,148 395,074 197,537 592,612 296,306 148,153 444,460 222,230 111,115 333,346 166,673 500,020 250,010 125,005 375,016 187,508 93,754 46,877 140,632 70,316 35,158 17,579 52,738 26,369 79,108 39,554 19,777 59,332 29,666 14,833 44,500 22,250 11,125 33,376 16,688 8,344 4,172 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587

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