3² × 7 × 13 × 29²

Prime Factor Structure

Factorization String 3^2 × 7 × 13 × 29^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,268,176

Proper Divisor Sum 579,397

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #688777 ← → #688783

1 3 7 9 13 21 29 39 63 87 91 117 203 261 273 377 609 819 841 1,131 1,827 2,523 2,639 3,393 5,887 7,569 7,917 10,933 17,661 23,751 32,799 52,983 76,531 98,397 229,593 688,779

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

688,779 2,066,338 1,033,169 3,099,508 1,549,754 774,877 2,324,632 1,162,316 581,158 290,579 871,738 435,869 1,307,608 653,804 326,902 163,451 490,354 245,177 735,532 367,766 183,883 551,650 275,825 827,476 413,738 206,869 620,608 310,304 155,152 77,576 38,788 19,394 9,697 29,092 14,546 7,273 21,820 10,910 5,455 16,366 8,183 24,550 12,275 36,826 18,413 55,240 27,620 13,810 6,905 20,716 10,358 5,179 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224

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