2 × 3² × 7 × 23 × 139

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 23 × 139

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,048,320

Proper Divisor Sum 645,498

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #402817 ← → #402823

1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 138 139 161 207 278 322 414 417 483 834 966 973 1,251 1,449 1,946 2,502 2,898 2,919 3,197 5,838 6,394 8,757 9,591 17,514 19,182 22,379 28,773 44,758 57,546 67,137 134,274 201,411 402,822

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

402,822 201,411 604,234 302,117 906,352 453,176 226,588 113,294 56,647 169,942 84,971 254,914 127,457 382,372 191,186 95,593 286,780 143,390 71,695 215,086 107,543 322,630 161,315 483,946 241,973 725,920 362,960 181,480 90,740 45,370 22,685 68,056 34,028 17,014 8,507 25,522 12,761 38,284 19,142 9,571 28,714 14,357 43,072 21,536 10,768 5,384 2,692 1,346 673 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427

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