831,231

3² × 19 × 4861

Prime Factor Structure

Factorization String 3^2 × 19 × 4861

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,264,120

Proper Divisor Sum 432,889

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #831221 ← → #831239

1 3 9 19 57 171 4,861 14,583 43,749 92,359 277,077 831,231

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

831,231 2,493,694 1,246,847 3,740,542 1,870,271 5,610,814 2,805,407 8,416,222 4,208,111 12,624,334 6,312,167 18,936,502 9,468,251 28,404,754 14,202,377 42,607,132 21,303,566 10,651,783 31,955,350 15,977,675 47,933,026 23,966,513 71,899,540 35,949,770 17,974,885 53,924,656 26,962,328 13,481,164 6,740,582 3,370,291 10,110,874 5,055,437 15,166,312 7,583,156 3,791,578 1,895,789 5,687,368 2,843,684 1,421,842 710,921 2,132,764 1,066,382 533,191 1,599,574 799,787 2,399,362 1,199,681 3,599,044 1,799,522 899,761 2,699,284 1,349,642 674,821 2,024,464 1,012,232 506,116 253,058 126,529 379,588 189,794

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