4,237,771

433 × 9787

Starting at 4,237,771, the Collatz iteration reaches 1 after 128 steps. The first transition is 12713314; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 433 × 9787

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,247,992

Proper Divisor Sum 10,221

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #4237769 ← → #4237781

Radix Representation

Decimal	4237771
Binary	10000001010100111001011 (23 bits)
Octal	0o20124713
Hexadecimal	0x40A9CB

Divisor Catalog (4)

1 433 9,787 4,237,771

Collatz Trajectory (128 steps to reach 1)

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

4,237,771 12,713,314 6,356,657 19,069,972 9,534,986 4,767,493 14,302,480 7,151,240 3,575,620 1,787,810 893,905 2,681,716 1,340,858 670,429 2,011,288 1,005,644 502,822 251,411 754,234 377,117 1,131,352 565,676 282,838 141,419 424,258 212,129 636,388 318,194 159,097 477,292 238,646 119,323 357,970 178,985 536,956 268,478 134,239 402,718 201,359 604,078 302,039 906,118 453,059 1,359,178 679,589 2,038,768 1,019,384 509,692 254,846 127,423 382,270 191,135 573,406 286,703 860,110 430,055 1,290,166 645,083 1,935,250 967,625

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