4,245,788

2² × 401 × 2647

Starting at 4,245,788, the Collatz iteration reaches 1 after 149 steps. The first transition is 2122894; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 401 × 2647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 7,451,472

Proper Divisor Sum 3,205,684

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #4245779 ← → #4245793

Radix Representation

Decimal	4245788
Binary	10000001100100100011100 (23 bits)
Octal	0o20144434
Hexadecimal	0x40C91C

Divisor Catalog (12)

1 2 4 401 802 1,604 2,647 5,294 10,588 1,061,447 2,122,894 4,245,788

Collatz Trajectory (149 steps to reach 1)

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

4,245,788 2,122,894 1,061,447 3,184,342 1,592,171 4,776,514 2,388,257 7,164,772 3,582,386 1,791,193 5,373,580 2,686,790 1,343,395 4,030,186 2,015,093 6,045,280 3,022,640 1,511,320 755,660 377,830 188,915 566,746 283,373 850,120 425,060 212,530 106,265 318,796 159,398 79,699 239,098 119,549 358,648 179,324 89,662 44,831 134,494 67,247 201,742 100,871 302,614 151,307 453,922 226,961 680,884 340,442 170,221 510,664 255,332 127,666 63,833 191,500 95,750 47,875 143,626 71,813 215,440 107,720 53,860 26,930

← Previous Integer #4,245,787 Browse Full Index Next Integer #4,245,789 →