401,970

2 × 3 × 5 × 13399

Prime Factor Structure

Factorization String 2 × 3 × 5 × 13399

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 964,800

Proper Divisor Sum 562,830

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #401959 ← → #401981

1 2 3 5 6 10 15 30 13,399 26,798 40,197 66,995 80,394 133,990 200,985 401,970

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

401,970 200,985 602,956 301,478 150,739 452,218 226,109 678,328 339,164 169,582 84,791 254,374 127,187 381,562 190,781 572,344 286,172 143,086 71,543 214,630 107,315 321,946 160,973 482,920 241,460 120,730 60,365 181,096 90,548 45,274 22,637 67,912 33,956 16,978 8,489 25,468 12,734 6,367 19,102 9,551 28,654 14,327 42,982 21,491 64,474 32,237 96,712 48,356 24,178 12,089 36,268 18,134 9,067 27,202 13,601 40,804 20,402 10,201 30,604 15,302

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