31 × 613

Prime Factor Structure

Factorization String 31 × 613

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 19,648

Proper Divisor Sum 645

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #19001 ← → #19009

1 31 613 19,003

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

19,003 57,010 28,505 85,516 42,758 21,379 64,138 32,069 96,208 48,104 24,052 12,026 6,013 18,040 9,020 4,510 2,255 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 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728

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