2³ × 3 × 5 × 31 × 37

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 31 × 37

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 437,760

Proper Divisor Sum 300,120

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #137639 ← → #137653

1 2 3 4 5 6 8 10 12 15 20 24 30 31 37 40 60 62 74 93 111 120 124 148 155 185 186 222 248 296 310 370 372 444 465 555 620 740 744 888 930 1,110 1,147 1,240 1,480 1,860 2,220 2,294 3,441 3,720 4,440 4,588 5,735 6,882 9,176 11,470 13,764 17,205 22,940 27,528

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

137,640 68,820 34,410 17,205 51,616 25,808 12,904 6,452 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2 1

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