2,562,605

5 × 512521

Starting at 2,562,605, the Collatz iteration reaches 1 after 218 steps. The first transition is 7687816; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 512521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,075,132

Proper Divisor Sum 512,527

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2562601 ← → #2562611

Radix Representation

Decimal	2562605
Binary	1001110001101000101101 (22 bits)
Octal	0o11615055
Hexadecimal	0x271A2D

Divisor Catalog (4)

1 5 512,521 2,562,605

Collatz Trajectory (218 steps to reach 1)

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

2,562,605 7,687,816 3,843,908 1,921,954 960,977 2,882,932 1,441,466 720,733 2,162,200 1,081,100 540,550 270,275 810,826 405,413 1,216,240 608,120 304,060 152,030 76,015 228,046 114,023 342,070 171,035 513,106 256,553 769,660 384,830 192,415 577,246 288,623 865,870 432,935 1,298,806 649,403 1,948,210 974,105 2,922,316 1,461,158 730,579 2,191,738 1,095,869 3,287,608 1,643,804 821,902 410,951 1,232,854 616,427 1,849,282 924,641 2,773,924 1,386,962 693,481 2,080,444 1,040,222 520,111 1,560,334 780,167 2,340,502 1,170,251 3,510,754

← Previous Integer #2,562,604 Browse Full Index Next Integer #2,562,606 →