402,969

3 × 7 × 31 × 619

Prime Factor Structure

Factorization String 3 × 7 × 31 × 619

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 634,880

Proper Divisor Sum 231,911

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #402949 ← → #402991

1 3 7 21 31 93 217 619 651 1,857 4,333 12,999 19,189 57,567 134,323 402,969

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

402,969 1,208,908 604,454 302,227 906,682 453,341 1,360,024 680,012 340,006 170,003 510,010 255,005 765,016 382,508 191,254 95,627 286,882 143,441 430,324 215,162 107,581 322,744 161,372 80,686 40,343 121,030 60,515 181,546 90,773 272,320 136,160 68,080 34,040 17,020 8,510 4,255 12,766 6,383 19,150 9,575 28,726 14,363 43,090 21,545 64,636 32,318 16,159 48,478 24,239 72,718 36,359 109,078 54,539 163,618 81,809 245,428 122,714 61,357 184,072 92,036

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