2 × 13 × 61 × 137

Prime Factor Structure

Factorization String 2 × 13 × 61 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 359,352

Proper Divisor Sum 142,070

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #217271 ← → #217307

1 2 13 26 61 122 137 274 793 1,586 1,781 3,562 8,357 16,714 108,641 217,282

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

217,282 108,641 325,924 162,962 81,481 244,444 122,222 61,111 183,334 91,667 275,002 137,501 412,504 206,252 103,126 51,563 154,690 77,345 232,036 116,018 58,009 174,028 87,014 43,507 130,522 65,261 195,784 97,892 48,946 24,473 73,420 36,710 18,355 55,066 27,533 82,600 41,300 20,650 10,325 30,976 15,488 7,744 3,872 1,936 968 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233

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