220421

Prime Factor Structure

Factorization String 220421

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 220,422

Proper Divisor Sum 1

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #220411 ← → #220447

1 220,421

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

220,421 661,264 330,632 165,316 82,658 41,329 123,988 61,994 30,997 92,992 46,496 23,248 11,624 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

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