7 × 13 × 97 × 139

Prime Factor Structure

Factorization String 7 × 13 × 97 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,536,640

Proper Divisor Sum 309,687

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1226899 ← → #1226959

1 7 13 91 97 139 679 973 1,261 1,807 8,827 12,649 13,483 94,381 175,279 1,226,953

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

1,226,953 3,680,860 1,840,430 920,215 2,760,646 1,380,323 4,140,970 2,070,485 6,211,456 3,105,728 1,552,864 776,432 388,216 194,108 97,054 48,527 145,582 72,791 218,374 109,187 327,562 163,781 491,344 245,672 122,836 61,418 30,709 92,128 46,064 23,032 11,516 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786

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