Properties of the Number 41985

Forty-One Thousand Nine Hundred Eighty-Five

Basics

Value: 41984 → 41985 → 41986

Parity: odd

Prime: No

Previous Prime: 41983

Next Prime: 41999

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 311

Divisors: 1, 3, 5, 9, 15, 27, 45, 135, 311, 933

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010000000001

Octal: 122001

Duodecimal: 20369

Hexadecimal: a401

Square: 1762740225

Square Root: 204.9024157983502

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

Numerators of continued fraction convergents to sqrt(653). A42254

The 3rd Witt transform of A000217. A147618

a(0)=0, a(1)=1, for n>1, a(n) = a(n-1)*2 + floor(a(n-2)/n). A182442

Denominators of continued fraction convergents to sqrt(515). A41985

Unhappycab numbers: the smallest unhappy number that is the sum of two cubes of unhappy numbers in n different ways. A268757