Properties of the Number 80490

Eighty Thousand Four Hundred Ninety

Basics

Value: 80489 → 80490 → 80491

Parity: even

Prime: No

Previous Prime: 80489

Next Prime: 80491

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 2683

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 2683, 5366

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101001101010

Octal: 235152

Duodecimal: 3A6B6

Hexadecimal: 13a6a

Square: 6478640100

Square Root: 283.70759595047855

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 k such that (7·10^k + 143)/3 is prime. A271585

a(1) =5, a(n) = smallest multiple of a(n-1) (not equal to 10^k*a(n-1)) obtained by inserting digits anywhere in a(n-1). A80490