7 × 13 × 61 × 97

Prime Factor Structure

Factorization String 7 × 13 × 61 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 680,512

Proper Divisor Sum 142,065

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #538423 ← → #538457

1 7 13 61 91 97 427 679 793 1,261 5,551 5,917 8,827 41,419 76,921 538,447

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

538,447 1,615,342 807,671 2,423,014 1,211,507 3,634,522 1,817,261 5,451,784 2,725,892 1,362,946 681,473 2,044,420 1,022,210 511,105 1,533,316 766,658 383,329 1,149,988 574,994 287,497 862,492 431,246 215,623 646,870 323,435 970,306 485,153 1,455,460 727,730 363,865 1,091,596 545,798 272,899 818,698 409,349 1,228,048 614,024 307,012 153,506 76,753 230,260 115,130 57,565 172,696 86,348 43,174 21,587 64,762 32,381 97,144 48,572 24,286 12,143 36,430 18,215 54,646 27,323 81,970 40,985 122,956

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