Properties of the Number 6449

Six Thousand Four Hundred Forty-Nine

Basics

Value: 6448 → 6449 → 6450

Parity: odd

Prime: Yes

Previous Prime: 6427

Next Prime: 6451

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 6449

Divisors: 1, 6449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100110001

Octal: 14461

Duodecimal: 3895

Hexadecimal: 1931

Square: 41589601

Square Root: 80.30566605165541

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

Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 25 (most significant digit on right). A61978

Numbers n such that n, 2n+1, and 4n+3 all prime. A7700

Primes that remain prime through 3 iterations of the function f(x) = 2·x + 1. A23272

Primes congruent to 1 mod 31. A142005

Primes which are the concatenation of two squares (in decimal notation). A167535

Primes p with p + 2 and prime(p) + 2 both prime. A236458

Primes having only {4, 6, 9} as digits. A107666

Least prime in A001359 (lesser of twin primes) such that the distance (A053319) to the next twin is 6·n. A52350

Primes starting a Cunningham chain of the first kind of length 4. A59763

Primes from merging of 4 successive digits in decimal expansion of Euler-Mascheroni constant A001620. A198778