5,515,265

5 × 7 × 157579

Starting at 5,515,265, the Collatz iteration reaches 1 after 307 steps. The first transition is 16545796; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 7 × 157579

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,563,840

Proper Divisor Sum 2,048,575

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #5515243 ← → #5515271

Radix Representation

Decimal	5515265
Binary	10101000010100000000001 (23 bits)
Octal	0o25024001
Hexadecimal	0x542801

Divisor Catalog (8)

1 5 7 35 157,579 787,895 1,103,053 5,515,265

Collatz Trajectory (307 steps to reach 1)

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

5,515,265 16,545,796 8,272,898 4,136,449 12,409,348 6,204,674 3,102,337 9,307,012 4,653,506 2,326,753 6,980,260 3,490,130 1,745,065 5,235,196 2,617,598 1,308,799 3,926,398 1,963,199 5,889,598 2,944,799 8,834,398 4,417,199 13,251,598 6,625,799 19,877,398 9,938,699 29,816,098 14,908,049 44,724,148 22,362,074 11,181,037 33,543,112 16,771,556 8,385,778 4,192,889 12,578,668 6,289,334 3,144,667 9,434,002 4,717,001 14,151,004 7,075,502 3,537,751 10,613,254 5,306,627 15,919,882 7,959,941 23,879,824 11,939,912 5,969,956 2,984,978 1,492,489 4,477,468 2,238,734 1,119,367 3,358,102 1,679,051 5,037,154 2,518,577 7,555,732

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