7³ × 19 × 139

Prime Factor Structure

Factorization String 7^3 × 19 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,120,000

Proper Divisor Sum 214,137

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #905843 ← → #905897

1 7 19 49 133 139 343 931 973 2,641 6,517 6,811 18,487 47,677 129,409 905,863

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

905,863 2,717,590 1,358,795 4,076,386 2,038,193 6,114,580 3,057,290 1,528,645 4,585,936 2,292,968 1,146,484 573,242 286,621 859,864 429,932 214,966 107,483 322,450 161,225 483,676 241,838 120,919 362,758 181,379 544,138 272,069 816,208 408,104 204,052 102,026 51,013 153,040 76,520 38,260 19,130 9,565 28,696 14,348 7,174 3,587 10,762 5,381 16,144 8,072 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 71 214 107 322 161

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