245,072

2⁴ × 17² × 53

Starting at 245,072, the Collatz iteration reaches 1 after 62 steps. The first transition is 122536; the starting value is even with 30 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 17^2 × 53

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 30

Divisor Sum (σ) 513,918

Proper Divisor Sum 268,846

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #245071 ← → #245083

Radix Representation

Decimal	245072
Binary	111011110101010000 (18 bits)
Octal	0o736520
Hexadecimal	0x3BD50

Divisor Catalog (30)

1 2 4 8 16 17 34 53 68 106 136 212 272 289 424 578 848 901 1,156 1,802 2,312 3,604 4,624 7,208 14,416 15,317 30,634 61,268 122,536 245,072

Collatz Trajectory (62 steps to reach 1)

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

245,072 122,536 61,268 30,634 15,317 45,952 22,976 11,488 5,744 2,872 1,436 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8

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