3 × 7 × 61 × 157

Prime Factor Structure

Factorization String 3 × 7 × 61 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 313,472

Proper Divisor Sum 112,355

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #201107 ← → #201119

1 3 7 21 61 157 183 427 471 1,099 1,281 3,297 9,577 28,731 67,039 201,117

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

201,117 603,352 301,676 150,838 75,419 226,258 113,129 339,388 169,694 84,847 254,542 127,271 381,814 190,907 572,722 286,361 859,084 429,542 214,771 644,314 322,157 966,472 483,236 241,618 120,809 362,428 181,214 90,607 271,822 135,911 407,734 203,867 611,602 305,801 917,404 458,702 229,351 688,054 344,027 1,032,082 516,041 1,548,124 774,062 387,031 1,161,094 580,547 1,741,642 870,821 2,612,464 1,306,232 653,116 326,558 163,279 489,838 244,919 734,758 367,379 1,102,138 551,069 1,653,208

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