Properties of the Number -138731

One Hundred Thirty-Eight Thousand Seven Hundred Thirty-One

Basics

Value: -138732 → -138731 → -138730

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 138731

Divisors: 1, 138731

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001110111101011

Octal: -416753

Duodecimal: -6834B

Hexadecimal: -21deb

Square: 19246290361

Square Root: 372.4661058405181

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

Emirps (A006567) whose difference with the reversal is a perfect square. A217386

a(n) = A077710(n+1)/A077710(n). A77711

Primes of the Form : p1=a·b+c;p2=a·c+b;p3=b·c+a;p=(p1+p2+p3)/2; p1,p2 and p3 are three consecutive prime numbers. A157722

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (1, -1, -1), (1, 1, -1)}. A148226