13 × 37 × 43 × 73

Prime Factor Structure

Factorization String 13 × 37 × 43 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,732,192

Proper Divisor Sum 222,333

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1509857 ← → #1509863

1 13 37 43 73 481 559 949 1,591 2,701 3,139 20,683 35,113 40,807 116,143 1,509,859

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

1,509,859 4,529,578 2,264,789 6,794,368 3,397,184 1,698,592 849,296 424,648 212,324 106,162 53,081 159,244 79,622 39,811 119,434 59,717 179,152 89,576 44,788 22,394 11,197 33,592 16,796 8,398 4,199 12,598 6,299 18,898 9,449 28,348 14,174 7,087 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.