Properties of the Number 40849

Forty Thousand Eight Hundred Forty-Nine

Basics

Value: 40848 → 40849 → 40850

Parity: odd

Prime: Yes

Previous Prime: 40847

Next Prime: 40853

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 40849

Divisors: 1, 40849

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1001111110010001

Octal: 117621

Duodecimal: 1B781

Hexadecimal: 9f91

Square: 1668640801

Square Root: 202.11135544545735

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 having only 0,4,6,8,9 as digits. A61372

Prime numbers such that, in base 10, all their proper prefixes and suffixes represent composites. A254754

30 'Reverse and Add' steps are needed to reach a palindrome. A65319

Triangle read by rows: T(n,k) = 1 + n! - k! - (n - k)! + k!*(n - k)!. A155453

Smallest of 4 consecutive prime numbers that when represented as a simple continued fraction, generates prime numbers in the numerator and denominator, when reduced. A270884

a(n) is the least prime p such that (p²-2·n)/(2·n-1) and (p²+2·n)/(2·n+1) are both prime, or 0 if such p does not exist. A344463

Primes having only {0, 4, 8, 9} as digits. A386076

Lesser of 2 successive primes (k, k+4) sandwiching 3 consecutive nonsquarefree numbers. A366352

Continued fraction for sqrt(879). A40849