7 × 21397

Prime Factor Structure

Factorization String 7 × 21397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 171,184

Proper Divisor Sum 21,405

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #149771 ← → #149791

1 7 21,397 149,779

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

149,779 449,338 224,669 674,008 337,004 168,502 84,251 252,754 126,377 379,132 189,566 94,783 284,350 142,175 426,526 213,263 639,790 319,895 959,686 479,843 1,439,530 719,765 2,159,296 1,079,648 539,824 269,912 134,956 67,478 33,739 101,218 50,609 151,828 75,914 37,957 113,872 56,936 28,468 14,234 7,117 21,352 10,676 5,338 2,669 8,008 4,004 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710

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