Properties of the Number 41281

Forty-One Thousand Two Hundred Eighty-One

Basics

Value: 41280 → 41281 → 41282

Parity: odd

Prime: Yes

Previous Prime: 41269

Next Prime: 41299

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 41281

Divisors: 1, 41281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010000101000001

Octal: 120501

Duodecimal: 1BA81

Hexadecimal: a141

Square: 1704120961

Square Root: 203.1772625073977

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

Primes in A005891 = Centered pentagonal numbers: (5n² + 5n + 2)/2. A145838

Fibonacci with priority for primes: a(0)=0, a(1)=1, for n >= 2, a(n) = a(n-1) + a(k), where 0 < k <= n-2 is maximal index such that a(n-1) + a(k) is prime. If there is no such k, then a(n) = a(n-1) + a(n-2). A216231

Expansion of g.f. (1-4·x²+2·x³)/((1-x)*(1-2·x-2·x²+2·x³)). A106666

Primes of the form x² + 18480·y². A173274

Numbers k such that 51^k - 50^k is prime. A62617

Primes that can be generated by the concatenation in base 7, in ascending order, of two consecutive integers read in base 10. A287308

Denominators of continued fraction convergents to sqrt(153). A41281