Properties of the Number -388143

Three Hundred Eighty-Eight Thousand One Hundred Forty-Three

Basics

Value: -388144 → -388143 → -388142

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 61 × 101

Divisors: 1, 3, 7, 9, 21, 61, 63, 101, 183, 303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1011110110000101111

Octal: -1366057

Duodecimal: -168753

Hexadecimal: -5ec2f

Square: 150654988449

Square Root: 623.0112358537365

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 the least term in the periodic part of the continued fraction for sqrt(k) is 89. A31767

Number of n X n binary arrays with all ones connected only in a 0100-1111-0010 pattern in any orientation. A146365

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1111-0010 pattern in any orientation. A146367