4,378,810

2 × 5 × 437881

Starting at 4,378,810, the Collatz iteration reaches 1 after 87 steps. The first transition is 2189405; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 437881

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,881,876

Proper Divisor Sum 3,503,066

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #4378789 ← → #4378811

Radix Representation

Decimal	4378810
Binary	10000101101000010111010 (23 bits)
Octal	0o20550272
Hexadecimal	0x42D0BA

Divisor Catalog (8)

1 2 5 10 437,881 875,762 2,189,405 4,378,810

Collatz Trajectory (87 steps to reach 1)

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

4,378,810 2,189,405 6,568,216 3,284,108 1,642,054 821,027 2,463,082 1,231,541 3,694,624 1,847,312 923,656 461,828 230,914 115,457 346,372 173,186 86,593 259,780 129,890 64,945 194,836 97,418 48,709 146,128 73,064 36,532 18,266 9,133 27,400 13,700 6,850 3,425 10,276 5,138 2,569 7,708 3,854 1,927 5,782 2,891 8,674 4,337 13,012 6,506 3,253 9,760 4,880 2,440 1,220 610 305 916 458 229 688 344 172 86 43 130

← Previous Integer #4,378,809 Browse Full Index Next Integer #4,378,811 →