425,313

3² × 7 × 43 × 157

Prime Factor Structure

Factorization String 3^2 × 7 × 43 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 723,008

Proper Divisor Sum 297,695

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #425309 ← → #425317

1 3 7 9 21 43 63 129 157 301 387 471 903 1,099 1,413 2,709 3,297 6,751 9,891 20,253 47,257 60,759 141,771 425,313

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

425,313 1,275,940 637,970 318,985 956,956 478,478 239,239 717,718 358,859 1,076,578 538,289 1,614,868 807,434 403,717 1,211,152 605,576 302,788 151,394 75,697 227,092 113,546 56,773 170,320 85,160 42,580 21,290 10,645 31,936 15,968 7,984 3,992 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76

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