Properties of the Number 42085

Forty-Two Thousand Eighty-Five

Basics

Value: 42084 → 42085 → 42086

Parity: odd

Prime: No

Previous Prime: 42083

Next Prime: 42089

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 19 × 443

Divisors: 1, 5, 19, 95, 443, 2215, 8417, 42085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010001100101

Octal: 122145

Duodecimal: 20431

Hexadecimal: a465

Square: 1771147225

Square Root: 205.14628926695212

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of integer partitions of n whose length (number of parts) is equal to the sum of some submultiset. A367212

4-dimensional analog of centered polygonal numbers. A6323

Number of symmetric short bushes with n edges. A82958

Expansion of ∏_k>=1 (1 + (1 + x + x²) * x^k). A309173

Centered triangular numbers which are products of three distinct primes. A359624

Denominators of continued fraction convergents to sqrt(566). A42085

Number of n X 4 0..1 arrays with every element equal to 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. A298129