7,405,239

3 × 2468413

Starting at 7,405,239, the Collatz iteration reaches 1 after 142 steps. The first transition is 22215718; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 2468413

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 9,873,656

Proper Divisor Sum 2,468,417

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #7405199 ← → #7405247

Radix Representation

Decimal	7405239
Binary	11100001111111010110111 (23 bits)
Octal	0o34177267
Hexadecimal	0x70FEB7

Divisor Catalog (4)

1 3 2,468,413 7,405,239

Collatz Trajectory (142 steps to reach 1)

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

7,405,239 22,215,718 11,107,859 33,323,578 16,661,789 49,985,368 24,992,684 12,496,342 6,248,171 18,744,514 9,372,257 28,116,772 14,058,386 7,029,193 21,087,580 10,543,790 5,271,895 15,815,686 7,907,843 23,723,530 11,861,765 35,585,296 17,792,648 8,896,324 4,448,162 2,224,081 6,672,244 3,336,122 1,668,061 5,004,184 2,502,092 1,251,046 625,523 1,876,570 938,285 2,814,856 1,407,428 703,714 351,857 1,055,572 527,786 263,893 791,680 395,840 197,920 98,960 49,480 24,740 12,370 6,185 18,556 9,278 4,639 13,918 6,959 20,878 10,439 31,318 15,659 46,978

← Previous Integer #7,405,238 Browse Full Index Next Integer #7,405,240 →