5 × 401 × 409

Prime Factor Structure

Factorization String 5 × 401 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 988,920

Proper Divisor Sum 168,875

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #820037 ← → #820051

1 5 401 409 2,005 2,045 164,009 820,045

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

820,045 2,460,136 1,230,068 615,034 307,517 922,552 461,276 230,638 115,319 345,958 172,979 518,938 259,469 778,408 389,204 194,602 97,301 291,904 145,952 72,976 36,488 18,244 9,122 4,561 13,684 6,842 3,421 10,264 5,132 2,566 1,283 3,850 1,925 5,776 2,888 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148

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