7,208,820

2² × 3² × 5 × 29 × 1381

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 29 × 1381

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 22,637,160

Proper Divisor Sum 15,428,340

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #7208807 ← → #7208827

1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 1,044 1,305 1,381 1,740 2,610 2,762 4,143 5,220 5,524 6,905 8,286 12,429 13,810 16,572 20,715 24,858 27,620 40,049 41,430 49,716 62,145 80,098 82,860 120,147 124,290 160,196 200,245 240,294 248,580

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

7,208,820 3,604,410 1,802,205 5,406,616 2,703,308 1,351,654 675,827 2,027,482 1,013,741 3,041,224 1,520,612 760,306 380,153 1,140,460 570,230 285,115 855,346 427,673 1,283,020 641,510 320,755 962,266 481,133 1,443,400 721,700 360,850 180,425 541,276 270,638 135,319 405,958 202,979 608,938 304,469 913,408 456,704 228,352 114,176 57,088 28,544 14,272 7,136 3,568 1,784 892 446 223 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276

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