2 × 7² × 31 × 71

Prime Factor Structure

Factorization String 2 × 7^2 × 31 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 393,984

Proper Divisor Sum 178,286

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #215693 ← → #215723

1 2 7 14 31 49 62 71 98 142 217 434 497 994 1,519 2,201 3,038 3,479 4,402 6,958 15,407 30,814 107,849 215,698

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

215,698 107,849 323,548 161,774 80,887 242,662 121,331 363,994 181,997 545,992 272,996 136,498 68,249 204,748 102,374 51,187 153,562 76,781 230,344 115,172 57,586 28,793 86,380 43,190 21,595 64,786 32,393 97,180 48,590 24,295 72,886 36,443 109,330 54,665 163,996 81,998 40,999 122,998 61,499 184,498 92,249 276,748 138,374 69,187 207,562 103,781 311,344 155,672 77,836 38,918 19,459 58,378 29,189 87,568 43,784 21,892 10,946 5,473 16,420 8,210

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