2,731,391

13 × 163 × 1289

Prime Factor Structure

Factorization String 13 × 163 × 1289

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 2,961,840

Proper Divisor Sum 230,449

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2731381 ← → #2731427

1 13 163 1,289 2,119 16,757 210,107 2,731,391

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

2,731,391 8,194,174 4,097,087 12,291,262 6,145,631 18,436,894 9,218,447 27,655,342 13,827,671 41,483,014 20,741,507 62,224,522 31,112,261 93,336,784 46,668,392 23,334,196 11,667,098 5,833,549 17,500,648 8,750,324 4,375,162 2,187,581 6,562,744 3,281,372 1,640,686 820,343 2,461,030 1,230,515 3,691,546 1,845,773 5,537,320 2,768,660 1,384,330 692,165 2,076,496 1,038,248 519,124 259,562 129,781 389,344 194,672 97,336 48,668 24,334 12,167 36,502 18,251 54,754 27,377 82,132 41,066 20,533 61,600 30,800 15,400 7,700 3,850 1,925 5,776 2,888

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