1,238,608

2⁴ × 7 × 11059

Starting at 1,238,608, the Collatz iteration reaches 1 after 80 steps. The first transition is 619304; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 7 × 11059

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 2,742,880

Proper Divisor Sum 1,504,272

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1238599 ← → #1238621

Radix Representation

Decimal	1238608
Binary	100101110011001010000 (21 bits)
Octal	0o4563120
Hexadecimal	0x12E650

Divisor Catalog (20)

1 2 4 7 8 14 16 28 56 112 11,059 22,118 44,236 77,413 88,472 154,826 176,944 309,652 619,304 1,238,608

Collatz Trajectory (80 steps to reach 1)

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

1,238,608 619,304 309,652 154,826 77,413 232,240 116,120 58,060 29,030 14,515 43,546 21,773 65,320 32,660 16,330 8,165 24,496 12,248 6,124 3,062 1,531 4,594 2,297 6,892 3,446 1,723 5,170 2,585 7,756 3,878 1,939 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37

← Previous Integer #1,238,607 Browse Full Index Next Integer #1,238,609 →