7 × 53 × 421

Prime Factor Structure

Factorization String 7 × 53 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 182,304

Proper Divisor Sum 26,113

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #156157 ← → #156217

1 7 53 371 421 2,947 22,313 156,191

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

156,191 468,574 234,287 702,862 351,431 1,054,294 527,147 1,581,442 790,721 2,372,164 1,186,082 593,041 1,779,124 889,562 444,781 1,334,344 667,172 333,586 166,793 500,380 250,190 125,095 375,286 187,643 562,930 281,465 844,396 422,198 211,099 633,298 316,649 949,948 474,974 237,487 712,462 356,231 1,068,694 534,347 1,603,042 801,521 2,404,564 1,202,282 601,141 1,803,424 901,712 450,856 225,428 112,714 56,357 169,072 84,536 42,268 21,134 10,567 31,702 15,851 47,554 23,777 71,332 35,666

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