13 × 139 × 9721

Prime Factor Structure

Factorization String 13 × 139 × 9721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 19,055,120

Proper Divisor Sum 1,489,273

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #17565803 ← → #17565853

1 13 139 1,807 9,721 126,373 1,351,219 17,565,847

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

17,565,847 52,697,542 26,348,771 79,046,314 39,523,157 118,569,472 59,284,736 29,642,368 14,821,184 7,410,592 3,705,296 1,852,648 926,324 463,162 231,581 694,744 347,372 173,686 86,843 260,530 130,265 390,796 195,398 97,699 293,098 146,549 439,648 219,824 109,912 54,956 27,478 13,739 41,218 20,609 61,828 30,914 15,457 46,372 23,186 11,593 34,780 17,390 8,695 26,086 13,043 39,130 19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575

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