3 × 7 × 29 × 2131

Prime Factor Structure

Factorization String 3 × 7 × 29 × 2131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,046,720

Proper Divisor Sum 748,941

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1297771 ← → #1297781

1 3 7 21 29 87 203 609 2,131 6,393 14,917 44,751 61,799 185,397 432,593 1,297,779

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

1,297,779 3,893,338 1,946,669 5,840,008 2,920,004 1,460,002 730,001 2,190,004 1,095,002 547,501 1,642,504 821,252 410,626 205,313 615,940 307,970 153,985 461,956 230,978 115,489 346,468 173,234 86,617 259,852 129,926 64,963 194,890 97,445 292,336 146,168 73,084 36,542 18,271 54,814 27,407 82,222 41,111 123,334 61,667 185,002 92,501 277,504 138,752 69,376 34,688 17,344 8,672 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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