2,720,370

2 × 3 × 5 × 90679

Starting at 2,720,370, the Collatz iteration reaches 1 after 107 steps. The first transition is 1360185; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 5 × 90679

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,528,960

Proper Divisor Sum 3,808,590

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2720359 ← → #2720381

Radix Representation

Decimal	2720370
Binary	1010011000001001110010 (22 bits)
Octal	0o12301162
Hexadecimal	0x298272

Divisor Catalog (16)

1 2 3 5 6 10 15 30 90,679 181,358 272,037 453,395 544,074 906,790 1,360,185 2,720,370

Collatz Trajectory (107 steps to reach 1)

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

2,720,370 1,360,185 4,080,556 2,040,278 1,020,139 3,060,418 1,530,209 4,590,628 2,295,314 1,147,657 3,442,972 1,721,486 860,743 2,582,230 1,291,115 3,873,346 1,936,673 5,810,020 2,905,010 1,452,505 4,357,516 2,178,758 1,089,379 3,268,138 1,634,069 4,902,208 2,451,104 1,225,552 612,776 306,388 153,194 76,597 229,792 114,896 57,448 28,724 14,362 7,181 21,544 10,772 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481

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