401987

Prime Factor Structure

Factorization String 401987

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 401,988

Proper Divisor Sum 1

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #401981 ← → #401993

1 401,987

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

401,987 1,205,962 602,981 1,808,944 904,472 452,236 226,118 113,059 339,178 169,589 508,768 254,384 127,192 63,596 31,798 15,899 47,698 23,849 71,548 35,774 17,887 53,662 26,831 80,494 40,247 120,742 60,371 181,114 90,557 271,672 135,836 67,918 33,959 101,878 50,939 152,818 76,409 229,228 114,614 57,307 171,922 85,961 257,884 128,942 64,471 193,414 96,707 290,122 145,061 435,184 217,592 108,796 54,398 27,199 81,598 40,799 122,398 61,199 183,598 91,799

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