Properties of the Number 85040

Eighty-Five Thousand Forty

Basics

Value: 85039 → 85040 → 85041

Parity: even

Prime: No

Previous Prime: 85037

Next Prime: 85049

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 × 1063

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100110000110000

Octal: 246060

Duodecimal: 41268

Hexadecimal: 14c30

Square: 7231801600

Square Root: 291.61618610769875

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

Indices of primes in A001644 (the Lucas 3-step numbers). A104576

a(n) is the smallest term of A242719 that is repeated exactly n times, or 0 if there is no such term. A246501

Squares arising in A085039. n-th partial sum of A085039. A85040