3 × 7 × 137 × 193

Prime Factor Structure

Factorization String 3 × 7 × 137 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 856,704

Proper Divisor Sum 301,443

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #555257 ← → #555277

1 3 7 21 137 193 411 579 959 1,351 2,877 4,053 26,441 79,323 185,087 555,261

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

555,261 1,665,784 832,892 416,446 208,223 624,670 312,335 937,006 468,503 1,405,510 702,755 2,108,266 1,054,133 3,162,400 1,581,200 790,600 395,300 197,650 98,825 296,476 148,238 74,119 222,358 111,179 333,538 166,769 500,308 250,154 125,077 375,232 187,616 93,808 46,904 23,452 11,726 5,863 17,590 8,795 26,386 13,193 39,580 19,790 9,895 29,686 14,843 44,530 22,265 66,796 33,398 16,699 50,098 25,049 75,148 37,574 18,787 56,362 28,181 84,544 42,272 21,136

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