2² × 5 × 31 × 557

Prime Factor Structure

Factorization String 2^2 × 5 × 31 × 557

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 749,952

Proper Divisor Sum 404,612

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #345329 ← → #345379

1 2 4 5 10 20 31 62 124 155 310 557 620 1,114 2,228 2,785 5,570 11,140 17,267 34,534 69,068 86,335 172,670 345,340

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

345,340 172,670 86,335 259,006 129,503 388,510 194,255 582,766 291,383 874,150 437,075 1,311,226 655,613 1,966,840 983,420 491,710 245,855 737,566 368,783 1,106,350 553,175 1,659,526 829,763 2,489,290 1,244,645 3,733,936 1,866,968 933,484 466,742 233,371 700,114 350,057 1,050,172 525,086 262,543 787,630 393,815 1,181,446 590,723 1,772,170 886,085 2,658,256 1,329,128 664,564 332,282 166,141 498,424 249,212 124,606 62,303 186,910 93,455 280,366 140,183 420,550 210,275 630,826 315,413 946,240 473,120

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