257 × 6473

Prime Factor Structure

Factorization String 257 × 6473

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,670,292

Proper Divisor Sum 6,731

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1663549 ← → #1663579

1 257 6,473 1,663,561

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

1,663,561 4,990,684 2,495,342 1,247,671 3,743,014 1,871,507 5,614,522 2,807,261 8,421,784 4,210,892 2,105,446 1,052,723 3,158,170 1,579,085 4,737,256 2,368,628 1,184,314 592,157 1,776,472 888,236 444,118 222,059 666,178 333,089 999,268 499,634 249,817 749,452 374,726 187,363 562,090 281,045 843,136 421,568 210,784 105,392 52,696 26,348 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556

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