2,720,338

2 × 251 × 5419

Starting at 2,720,338, the Collatz iteration reaches 1 after 143 steps. The first transition is 1360169; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 251 × 5419

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,097,520

Proper Divisor Sum 1,377,182

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2720329 ← → #2720359

Radix Representation

Decimal	2720338
Binary	1010011000001001010010 (22 bits)
Octal	0o12301122
Hexadecimal	0x298252

Divisor Catalog (8)

1 2 251 502 5,419 10,838 1,360,169 2,720,338

Collatz Trajectory (143 steps to reach 1)

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

2,720,338 1,360,169 4,080,508 2,040,254 1,020,127 3,060,382 1,530,191 4,590,574 2,295,287 6,885,862 3,442,931 10,328,794 5,164,397 15,493,192 7,746,596 3,873,298 1,936,649 5,809,948 2,904,974 1,452,487 4,357,462 2,178,731 6,536,194 3,268,097 9,804,292 4,902,146 2,451,073 7,353,220 3,676,610 1,838,305 5,514,916 2,757,458 1,378,729 4,136,188 2,068,094 1,034,047 3,102,142 1,551,071 4,653,214 2,326,607 6,979,822 3,489,911 10,469,734 5,234,867 15,704,602 7,852,301 23,556,904 11,778,452 5,889,226 2,944,613 8,833,840 4,416,920 2,208,460 1,104,230 552,115 1,656,346 828,173 2,484,520 1,242,260 621,130

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