Properties of the Number 40591

Forty Thousand Five Hundred Ninety-One

Basics

Value: 40590 → 40591 → 40592

Parity: odd

Prime: Yes

Previous Prime: 40583

Next Prime: 40597

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 40591

Divisors: 1, 40591

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111010001111

Octal: 117217

Duodecimal: 1B5A7

Hexadecimal: 9e8f

Square: 1647629281

Square Root: 201.47208243327412

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

Euler transform of powers of 2 [1,2,4,8,16,...]. A34691

Centered triangular numbers that are prime. A125602

Number of fully anti-transitive rooted identity trees with n nodes. A324770

Number of noncrossing path sets on n nodes up to rotation with each path having at least two nodes. A303844

Numbers k such that 2^k - F(k) is prime, where F(n) is the n-th Fibonacci number. A74716

Primes obtained by interpreting the decimal representation of a prime p in base q, where q is the prime before p. A337872

Primes p such that 2·p + 43 is a square. A269787

Primes that can be generated by the concatenation in base 7, in descending order, of two consecutive integers read in base 10. A287309

Continued fraction for sqrt(616). A40591

a(n) = sqrt(k·A001414(k)+1) for k in A343141. A343142