2,799,855

3² × 5 × 62219

Starting at 2,799,855, the Collatz iteration reaches 1 after 231 steps. The first transition is 8399566; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 5 × 62219

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,853,160

Proper Divisor Sum 2,053,305

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #2799847 ← → #2799857

Radix Representation

Decimal	2799855
Binary	1010101011100011101111 (22 bits)
Octal	0o12534357
Hexadecimal	0x2AB8EF

Divisor Catalog (12)

1 3 5 9 15 45 62,219 186,657 311,095 559,971 933,285 2,799,855

Collatz Trajectory (231 steps to reach 1)

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

2,799,855 8,399,566 4,199,783 12,599,350 6,299,675 18,899,026 9,449,513 28,348,540 14,174,270 7,087,135 21,261,406 10,630,703 31,892,110 15,946,055 47,838,166 23,919,083 71,757,250 35,878,625 107,635,876 53,817,938 26,908,969 80,726,908 40,363,454 20,181,727 60,545,182 30,272,591 90,817,774 45,408,887 136,226,662 68,113,331 204,339,994 102,169,997 306,509,992 153,254,996 76,627,498 38,313,749 114,941,248 57,470,624 28,735,312 14,367,656 7,183,828 3,591,914 1,795,957 5,387,872 2,693,936 1,346,968 673,484 336,742 168,371 505,114 252,557 757,672 378,836 189,418 94,709 284,128 142,064 71,032 35,516 17,758

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