13 × 109

Prime Factor Structure

Factorization String 13 × 109

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,540

Proper Divisor Sum 123

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #1409 ← → #1423

1 13 109 1,417

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

1,417 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56

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