4,008,842

2 × 2004421

Starting at 4,008,842, the Collatz iteration reaches 1 after 92 steps. The first transition is 2004421; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2004421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,013,266

Proper Divisor Sum 2,004,424

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #4008841 ← → #4008853

Radix Representation

Decimal	4008842
Binary	1111010010101110001010 (22 bits)
Octal	0o17225612
Hexadecimal	0x3D2B8A

Divisor Catalog (4)

1 2 2,004,421 4,008,842

Collatz Trajectory (92 steps to reach 1)

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

4,008,842 2,004,421 6,013,264 3,006,632 1,503,316 751,658 375,829 1,127,488 563,744 281,872 140,936 70,468 35,234 17,617 52,852 26,426 13,213 39,640 19,820 9,910 4,955 14,866 7,433 22,300 11,150 5,575 16,726 8,363 25,090 12,545 37,636 18,818 9,409 28,228 14,114 7,057 21,172 10,586 5,293 15,880 7,940 3,970 1,985 5,956 2,978 1,489 4,468 2,234 1,117 3,352 1,676 838 419 1,258 629 1,888 944 472 236 118

← Previous Integer #4,008,841 Browse Full Index Next Integer #4,008,843 →