2,421,923

7³ × 23 × 307

Starting at 2,421,923, the Collatz iteration reaches 1 after 205 steps. The first transition is 7265770; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 7^3 × 23 × 307

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,956,800

Proper Divisor Sum 534,877

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #2421919 ← → #2421931

Radix Representation

Decimal	2421923
Binary	1001001111010010100011 (22 bits)
Octal	0o11172243
Hexadecimal	0x24F4A3

Divisor Catalog (16)

1 7 23 49 161 307 343 1,127 2,149 7,061 7,889 15,043 49,427 105,301 345,989 2,421,923

Collatz Trajectory (205 steps to reach 1)

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

2,421,923 7,265,770 3,632,885 10,898,656 5,449,328 2,724,664 1,362,332 681,166 340,583 1,021,750 510,875 1,532,626 766,313 2,298,940 1,149,470 574,735 1,724,206 862,103 2,586,310 1,293,155 3,879,466 1,939,733 5,819,200 2,909,600 1,454,800 727,400 363,700 181,850 90,925 272,776 136,388 68,194 34,097 102,292 51,146 25,573 76,720 38,360 19,180 9,590 4,795 14,386 7,193 21,580 10,790 5,395 16,186 8,093 24,280 12,140 6,070 3,035 9,106 4,553 13,660 6,830 3,415 10,246 5,123 15,370

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