Properties of the Number 64049

Sixty-Four Thousand Forty-Nine

Basics

Value: 64048 → 64049 → 64050

Parity: odd

Prime: No

Previous Prime: 64037

Next Prime: 64063

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19 × 3371

Divisors: 1, 19, 3371, 64049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101000110001

Octal: 175061

Duodecimal: 31095

Hexadecimal: fa31

Square: 4102274401

Square Root: 253.0790390372146

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

a(n) = number of length-n sequences s with s[1]=1, s[2]=1, s[k-1] <=s[k] <= s[k-2]+s[k-1] (s is called a sub-Fibonacci sequence of length n). A5269

a(n) = ((n+1)-st Lucas number) - (n-th non-Lucas number). A14243

Lesser of 2 successive squarefree semiprimes (k, k+5) sandwiching 4 consecutive nonsquarefree numbers. A368589

Number of possible arrangements of numbers 1 to n*(n+1)/2 in a triangle of n rows so that each row and each diagonal is increasing or decreasing. A64049