5,571,007

13 × 428539

Starting at 5,571,007, the Collatz iteration reaches 1 after 183 steps. The first transition is 16713022; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 13 × 428539

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 5,999,560

Proper Divisor Sum 428,553

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #5570993 ← → #5571023

Radix Representation

Decimal	5571007
Binary	10101010000000110111111 (23 bits)
Octal	0o25200677
Hexadecimal	0x5501BF

Divisor Catalog (4)

1 13 428,539 5,571,007

Collatz Trajectory (183 steps to reach 1)

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

5,571,007 16,713,022 8,356,511 25,069,534 12,534,767 37,604,302 18,802,151 56,406,454 28,203,227 84,609,682 42,304,841 126,914,524 63,457,262 31,728,631 95,185,894 47,592,947 142,778,842 71,389,421 214,168,264 107,084,132 53,542,066 26,771,033 80,313,100 40,156,550 20,078,275 60,234,826 30,117,413 90,352,240 45,176,120 22,588,060 11,294,030 5,647,015 16,941,046 8,470,523 25,411,570 12,705,785 38,117,356 19,058,678 9,529,339 28,588,018 14,294,009 42,882,028 21,441,014 10,720,507 32,161,522 16,080,761 48,242,284 24,121,142 12,060,571 36,181,714 18,090,857 54,272,572 27,136,286 13,568,143 40,704,430 20,352,215 61,056,646 30,528,323 91,584,970 45,792,485

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