5,505,787

7² × 112363

Starting at 5,505,787, the Collatz iteration reaches 1 after 139 steps. The first transition is 16517362; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 7^2 × 112363

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 6,404,748

Proper Divisor Sum 898,961

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #5505781 ← → #5505793

Radix Representation

Decimal	5505787
Binary	10101000000001011111011 (23 bits)
Octal	0o25001373
Hexadecimal	0x5402FB

Divisor Catalog (6)

1 7 49 112,363 786,541 5,505,787

Collatz Trajectory (139 steps to reach 1)

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

5,505,787 16,517,362 8,258,681 24,776,044 12,388,022 6,194,011 18,582,034 9,291,017 27,873,052 13,936,526 6,968,263 20,904,790 10,452,395 31,357,186 15,678,593 47,035,780 23,517,890 11,758,945 35,276,836 17,638,418 8,819,209 26,457,628 13,228,814 6,614,407 19,843,222 9,921,611 29,764,834 14,882,417 44,647,252 22,323,626 11,161,813 33,485,440 16,742,720 8,371,360 4,185,680 2,092,840 1,046,420 523,210 261,605 784,816 392,408 196,204 98,102 49,051 147,154 73,577 220,732 110,366 55,183 165,550 82,775 248,326 124,163 372,490 186,245 558,736 279,368 139,684 69,842 34,921

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