Properties of the Number -130787

One Hundred Thirty Thousand Seven Hundred Eighty-Seven

Basics

Value: -130788 → -130787 → -130786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 130787

Divisors: 1, 130787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111111011100011

Octal: -377343

Duodecimal: -6382B

Hexadecimal: -1fee3

Square: 17105239369

Square Root: 361.64485341284757

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

Largest safe prime less than 2ⁿ. A243916

In this sequence each prime ends a prime century. Place a 0 between the final two digits, and raise the 100s digit by 1, to form the first prime of the next century. A156083

The number of numerical sets with odd Frobenius number and no small atoms. A164048

a(n) is the total binary weight of all persolus bitstrings of length n. A335206

Integers k such that 28*φ(29·197³*k) is not a totient number where φ is the totient function. A361396