Properties of the Number -138642

One Hundred Thirty-Eight Thousand Six Hundred Forty-Two

Basics

Value: -138643 → -138642 → -138641

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 3301

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 3301, 6602

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001110110010010

Octal: -416622

Duodecimal: -68296

Hexadecimal: -21d92

Square: 19221604164

Square Root: 372.3466127145512

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

Number of binary strings of length n that avoid the pattern·x^R x (x^R is the reversal of x). A261204

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 1, 1), (0, 0, 1), (1, -1, 1), (1, 1, -1)}. A148394