λ
Sigma Notebook

420,078

2 × 3 × 53 × 1321
Abundant Even Composite

420,078 is even and not a perfect square. Its factorization is 2 × 3 × 53 × 1321 and its 16 divisors sum to 856,656.

Prime Factor Structure

Factorization String 2 × 3 × 53 × 1321
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 856,656
Proper Divisor Sum 436,578
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #420073 ← → #420097

Radix Representation

Decimal 420078
Binary 1100110100011101110 (19 bits)
Octal 0o1464356
Hexadecimal 0x668EE

Divisor Catalog (16)

1 2 3 6 53 106 159 318 1,321 2,642 3,963 7,926 70,013 140,026 210,039 420,078

Collatz Trajectory (81 steps to reach 1)

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

420,078 210,039 630,118 315,059 945,178 472,589 1,417,768 708,884 354,442 177,221 531,664 265,832 132,916 66,458 33,229 99,688 49,844 24,922 12,461 37,384 18,692 9,346 4,673 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76

More profiles

← Previous Integer #420,077 Browse Full Index Next Integer #420,079 →