Properties of the Number 67489

Sixty-Seven Thousand Four Hundred Eighty-Nine

Basics

Value: 67488 → 67489 → 67490

Parity: odd

Prime: Yes

Previous Prime: 67481

Next Prime: 67493

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 67489

Divisors: 1, 67489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011110100001

Octal: 203641

Duodecimal: 33081

Hexadecimal: 107a1

Square: 4554765121

Square Root: 259.7864507629295

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 with 23 as smallest positive primitive root. A61335

Numbers n such that (15ⁿ + 1)/16 is a prime. A57181

Primes that become squares when prefixed with a 6. A167739

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1. A234122

a(1) = a(2) = 1; for n>2, a(n) = 4·a(n-1) + 3·a(n-2). A86901

Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1. A234120

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 645", based on the 5-celled von Neumann neighborhood. A273316

(Number of 4 X 4 pandiagonal magic squares with distinct positive entries less than n)/384. A317252

Primes such that x¹⁶ = 2 has a solution in Z/pZ, but x³² = 2 does not. A373468

Powers of 3 with initial digit 1. A67489