Properties of the Number -138139

One Hundred Thirty-Eight Thousand One Hundred Thirty-Nine

Basics

Value: -138140 → -138139 → -138138

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 138139

Divisors: 1, 138139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001101110011011

Octal: -415633

Duodecimal: -67B37

Hexadecimal: -21b9b

Square: 19082383321

Square Root: 371.67055304395586

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 formed by concatenating n with n+1. A30458

Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed). A52087

Primes that are a concatenation of 2·k and 2·k+1 or 2·k and 2·k-1 for some k. A154530

Numerators of continued fraction convergents to sqrt(172). A41316

Numerators of continued fraction convergents to sqrt(387). A41734

Primes from merging of 6 successive digits in decimal expansion of the Champernowne Constant. A104949

Lucky numbers that are decimal concatenations of n with n + 1. A32651

Primes formed by concatenating k with k+1, where k+1 is a prime. A134428

Primes formed from the concatenation of n and nextprime(n). A280376

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = 6. A341087