Properties of the Number 64489

Sixty-Four Thousand Four Hundred Eighty-Nine

Basics

Value: 64488 → 64489 → 64490

Parity: odd

Prime: Yes

Previous Prime: 64483

Next Prime: 64499

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 64489

Divisors: 1, 64489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111101111101001

Octal: 175751

Duodecimal: 313A1

Hexadecimal: fbe9

Square: 4158831121

Square Root: 253.9468448317482

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

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 573", based on the 5-celled von Neumann neighborhood. A283082

a(n) = A000265(3*(a(n-1) + a(n-2))/2 + 1) starting at a(1)=1, a(2)=11. A124139

Primes whose 10's complement is a triangular number. A82992

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

a(n) is the smallest number m such that prime(m) has prime(n) decimal digits. A64489

Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 4Xn array. A219630