15,418,426

2 × 7709213

15,418,426 factors as 2 × 7709213. Its 4 positive divisors give a proper-divisor sum of 7,709,216, so this integer is deficient. The Collatz stopping time is 231 steps.

Prime Factor Structure

Factorization String 2 × 7709213

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 23,127,642

Proper Divisor Sum 7,709,216

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #15418423 ← → #15418433

Radix Representation

Decimal	15418426
Binary	111010110100010000111010 (24 bits)
Octal	0o72642072
Hexadecimal	0xEB443A

Divisor Catalog (4)

1 2 7,709,213 15,418,426

Collatz Trajectory (231 steps to reach 1)

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

15,418,426 7,709,213 23,127,640 11,563,820 5,781,910 2,890,955 8,672,866 4,336,433 13,009,300 6,504,650 3,252,325 9,756,976 4,878,488 2,439,244 1,219,622 609,811 1,829,434 914,717 2,744,152 1,372,076 686,038 343,019 1,029,058 514,529 1,543,588 771,794 385,897 1,157,692 578,846 289,423 868,270 434,135 1,302,406 651,203 1,953,610 976,805 2,930,416 1,465,208 732,604 366,302 183,151 549,454 274,727 824,182 412,091 1,236,274 618,137 1,854,412 927,206 463,603 1,390,810 695,405 2,086,216 1,043,108 521,554 260,777 782,332 391,166 195,583 586,750

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