423,255

3 × 5 × 7 × 29 × 139

Prime Factor Structure

Factorization String 3 × 5 × 7 × 29 × 139

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Total Divisors 32

Divisor Sum (σ) 806,400

Proper Divisor Sum 383,145

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #423251 ← → #423257

1 3 5 7 15 21 29 35 87 105 139 145 203 417 435 609 695 973 1,015 2,085 2,919 3,045 4,031 4,865 12,093 14,595 20,155 28,217 60,465 84,651 141,085 423,255

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

423,255 1,269,766 634,883 1,904,650 952,325 2,856,976 1,428,488 714,244 357,122 178,561 535,684 267,842 133,921 401,764 200,882 100,441 301,324 150,662 75,331 225,994 112,997 338,992 169,496 84,748 42,374 21,187 63,562 31,781 95,344 47,672 23,836 11,918 5,959 17,878 8,939 26,818 13,409 40,228 20,114 10,057 30,172 15,086 7,543 22,630 11,315 33,946 16,973 50,920 25,460 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686

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