13 × 19² × 307

Prime Factor Structure

Factorization String 13 × 19^2 × 307

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,642,872

Proper Divisor Sum 202,121

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1440737 ← → #1440763

1 13 19 247 307 361 3,991 4,693 5,833 75,829 110,827 1,440,751

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

1,440,751 4,322,254 2,161,127 6,483,382 3,241,691 9,725,074 4,862,537 14,587,612 7,293,806 3,646,903 10,940,710 5,470,355 16,411,066 8,205,533 24,616,600 12,308,300 6,154,150 3,077,075 9,231,226 4,615,613 13,846,840 6,923,420 3,461,710 1,730,855 5,192,566 2,596,283 7,788,850 3,894,425 11,683,276 5,841,638 2,920,819 8,762,458 4,381,229 13,143,688 6,571,844 3,285,922 1,642,961 4,928,884 2,464,442 1,232,221 3,696,664 1,848,332 924,166 462,083 1,386,250 693,125 2,079,376 1,039,688 519,844 259,922 129,961 389,884 194,942 97,471 292,414 146,207 438,622 219,311 657,934 328,967

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