31 × 23251

Prime Factor Structure

Factorization String 31 × 23251

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 744,064

Proper Divisor Sum 23,283

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #720779 ← → #720791

1 31 23,251 720,781

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

720,781 2,162,344 1,081,172 540,586 270,293 810,880 405,440 202,720 101,360 50,680 25,340 12,670 6,335 19,006 9,503 28,510 14,255 42,766 21,383 64,150 32,075 96,226 48,113 144,340 72,170 36,085 108,256 54,128 27,064 13,532 6,766 3,383 10,150 5,075 15,226 7,613 22,840 11,420 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576

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