Properties of the Number 64849

Sixty-Four Thousand Eight Hundred Forty-Nine

Basics

Value: 64848 → 64849 → 64850

Parity: odd

Prime: Yes

Previous Prime: 64817

Next Prime: 64853

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 64849

Divisors: 1, 64849

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1111110101010001

Octal: 176521

Duodecimal: 31641

Hexadecimal: fd51

Square: 4205392801

Square Root: 254.65466812921377

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 whose digits are composite; primes having only {4, 6, 8, 9} as digits. A51416

Primes p such that A001175(p) = (p-1)/8. A308793

a(n) = 7·a(n-1) - 5·a(n-2), with a(0)=0, a(1)=1. A190974

Every digit of prime and its index contains a loop (only digits 0,4,6,8,9 in prime and its index). A107625

Primes whose proper substrings of consecutive digits are all composite. A279366

Primes using only the composite digits (4, 6, 8, 9) and all of them. A157527

Primes of the form 7x³+x+1. A114353

Greatest k <= n such that 3ⁿ + 3^k - 1 is prime, or 0 if no such prime exists. A181530

Semiprimes which are equal to product of two successive primes and also to sum of three successive primes. A133126

Period of continued fraction for sqrt(3)*n. A64849