2 × 13 × 137 × 181

Prime Factor Structure

Factorization String 2 × 13 × 137 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,054,872

Proper Divisor Sum 410,150

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #644717 ← → #644729

1 2 13 26 137 181 274 362 1,781 2,353 3,562 4,706 24,797 49,594 322,361 644,722

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

644,722 322,361 967,084 483,542 241,771 725,314 362,657 1,087,972 543,986 271,993 815,980 407,990 203,995 611,986 305,993 917,980 458,990 229,495 688,486 344,243 1,032,730 516,365 1,549,096 774,548 387,274 193,637 580,912 290,456 145,228 72,614 36,307 108,922 54,461 163,384 81,692 40,846 20,423 61,270 30,635 91,906 45,953 137,860 68,930 34,465 103,396 51,698 25,849 77,548 38,774 19,387 58,162 29,081 87,244 43,622 21,811 65,434 32,717 98,152 49,076 24,538

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