2 × 5 × 73 × 2161

Prime Factor Structure

Factorization String 2 × 5 × 73 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,879,784

Proper Divisor Sum 1,302,254

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1577509 ← → #1577531

1 2 5 10 73 146 365 730 2,161 4,322 10,805 21,610 157,753 315,506 788,765 1,577,530

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

1,577,530 788,765 2,366,296 1,183,148 591,574 295,787 887,362 443,681 1,331,044 665,522 332,761 998,284 499,142 249,571 748,714 374,357 1,123,072 561,536 280,768 140,384 70,192 35,096 17,548 8,774 4,387 13,162 6,581 19,744 9,872 4,936 2,468 1,234 617 1,852 926 463 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47

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