247,118

2 × 157 × 787

Starting at 247,118, the Collatz iteration reaches 1 after 119 steps. The first transition is 123559; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 157 × 787

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 373,512

Proper Divisor Sum 126,394

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #247099 ← → #247141

Radix Representation

Decimal	247118
Binary	111100010101001110 (18 bits)
Octal	0o742516
Hexadecimal	0x3C54E

Divisor Catalog (8)

1 2 157 314 787 1,574 123,559 247,118

Collatz Trajectory (119 steps to reach 1)

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

247,118 123,559 370,678 185,339 556,018 278,009 834,028 417,014 208,507 625,522 312,761 938,284 469,142 234,571 703,714 351,857 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 23,489 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

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