20,948,421

3 × 13 × 67 × 8017

Prime Factor Structure

Factorization String 3 × 13 × 67 × 8017

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 30,532,544

Proper Divisor Sum 9,584,123

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #20948419 ← → #20948429

1 3 13 39 67 201 871 2,613 8,017 24,051 104,221 312,663 537,139 1,611,417 6,982,807 20,948,421

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

20,948,421 62,845,264 31,422,632 15,711,316 7,855,658 3,927,829 11,783,488 5,891,744 2,945,872 1,472,936 736,468 368,234 184,117 552,352 276,176 138,088 69,044 34,522 17,261 51,784 25,892 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103

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