290,290

2 × 5 × 7 × 11 × 13 × 29

Prime Factor Structure

Factorization String 2 × 5 × 7 × 11 × 13 × 29

Distinct Prime Factors 6

Square Status No

Abundance Measure Abundant

Total Divisors 64

Divisor Sum (σ) 725,760

Proper Divisor Sum 435,470

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #290249 ← → #290317

1 2 5 7 10 11 13 14 22 26 29 35 55 58 65 70 77 91 110 130 143 145 154 182 203 286 290 319 377 385 406 455 638 715 754 770 910 1,001 1,015 1,430 1,595 1,885 2,002 2,030 2,233 2,639 3,190 3,770 4,147 4,466 5,005 5,278 8,294 10,010 11,165 13,195 20,735 22,330 26,390 29,029

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

290,290 145,145 435,436 217,718 108,859 326,578 163,289 489,868 244,934 122,467 367,402 183,701 551,104 275,552 137,776 68,888 34,444 17,222 8,611 25,834 12,917 38,752 19,376 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072

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