Properties of the Number -128213

One Hundred Twenty-Eight Thousand Two Hundred Thirteen

Basics

Value: -128214 → -128213 → -128212

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 128213

Divisors: 1, 128213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111010011010101

Octal: -372325

Duodecimal: -62245

Hexadecimal: -1f4d5

Square: 16438573369

Square Root: 358.06842921430535

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

T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order. A222587

Primes of the form x³ + y³ + 1, where·and y are primes. A214175

Primes that become palindromic primes when the least significant digit is deleted. A277206

Number of partitions of n with rank 3 or higher (the rank of a partition is the largest part minus the number of parts). A363230

Smallest nontrivial extension of n-th palindromic prime which is a prime. A30680

Number of nX4 0..2 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order. A222584

Number of n X 6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order. A222586