251 × 631

Prime Factor Structure

Factorization String 251 × 631

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 159,264

Proper Divisor Sum 883

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #158371 ← → #158393

1 251 631 158,381

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

158,381 475,144 237,572 118,786 59,393 178,180 89,090 44,545 133,636 66,818 33,409 100,228 50,114 25,057 75,172 37,586 18,793 56,380 28,190 14,095 42,286 21,143 63,430 31,715 95,146 47,573 142,720 71,360 35,680 17,840 8,920 4,460 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038

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