211,972

2² × 197 × 269

Prime Factor Structure

Factorization String 2^2 × 197 × 269

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 374,220

Proper Divisor Sum 162,248

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #211969 ← → #211979

1 2 4 197 269 394 538 788 1,076 52,993 105,986 211,972

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

211,972 105,986 52,993 158,980 79,490 39,745 119,236 59,618 29,809 89,428 44,714 22,357 67,072 33,536 16,768 8,384 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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