2,842,646

2 × 683 × 2081

Starting at 2,842,646, the Collatz iteration reaches 1 after 213 steps. The first transition is 1421323; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 683 × 2081

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,272,264

Proper Divisor Sum 1,429,618

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2842643 ← → #2842649

Radix Representation

Decimal	2842646
Binary	1010110110000000010110 (22 bits)
Octal	0o12660026
Hexadecimal	0x2B6016

Divisor Catalog (8)

1 2 683 1,366 2,081 4,162 1,421,323 2,842,646

Collatz Trajectory (213 steps to reach 1)

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

2,842,646 1,421,323 4,263,970 2,131,985 6,395,956 3,197,978 1,598,989 4,796,968 2,398,484 1,199,242 599,621 1,798,864 899,432 449,716 224,858 112,429 337,288 168,644 84,322 42,161 126,484 63,242 31,621 94,864 47,432 23,716 11,858 5,929 17,788 8,894 4,447 13,342 6,671 20,014 10,007 30,022 15,011 45,034 22,517 67,552 33,776 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007

← Previous Integer #2,842,645 Browse Full Index Next Integer #2,842,647 →