2,557,232

2⁴ × 23 × 6949

Starting at 2,557,232, the Collatz iteration reaches 1 after 174 steps. The first transition is 1278616; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 23 × 6949

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 5,170,800

Proper Divisor Sum 2,613,568

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2557231 ← → #2557241

Radix Representation

Decimal	2557232
Binary	1001110000010100110000 (22 bits)
Octal	0o11602460
Hexadecimal	0x270530

Divisor Catalog (20)

1 2 4 8 16 23 46 92 184 368 6,949 13,898 27,796 55,592 111,184 159,827 319,654 639,308 1,278,616 2,557,232

Collatz Trajectory (174 steps to reach 1)

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

2,557,232 1,278,616 639,308 319,654 159,827 479,482 239,741 719,224 359,612 179,806 89,903 269,710 134,855 404,566 202,283 606,850 303,425 910,276 455,138 227,569 682,708 341,354 170,677 512,032 256,016 128,008 64,004 32,002 16,001 48,004 24,002 12,001 36,004 18,002 9,001 27,004 13,502 6,751 20,254 10,127 30,382 15,191 45,574 22,787 68,362 34,181 102,544 51,272 25,636 12,818 6,409 19,228 9,614 4,807 14,422 7,211 21,634 10,817 32,452 16,226

← Previous Integer #2,557,231 Browse Full Index Next Integer #2,557,233 →