Properties of the Number -128164

One Hundred Twenty-Eight Thousand One Hundred Sixty-Four

Basics

Value: -128165 → -128164 → -128163

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 179 ²

Divisors: 1, 2, 4, 179, 358, 716, 32041, 64082, 128164

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111010010100100

Octal: -372244

Duodecimal: -62204

Hexadecimal: -1f4a4

Square: 16426010896

Square Root: 358

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

a(n) = (11·n + 6)². A17462

Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square. A173943

a(n) = (10·n + 8)². A17366

Squares containing 2k digits in which the sum of the first k digits = that of the rest. A68897

Numbers n with property that for each single digit d of n, we can also see the decimal expansion of 2d as a substring of n. A135495

Largest integer k in base n whose squared digits sum to sqrt(k). A226353

Squares which are the concatenation of two or more powers of 2. A392102

Number of 5-balanced strings of length n: let d(S)= #(1)'s in S - #(0)'s, then S is k-balanced if every substring T has -k<=d(T)<=k; here k=5. A27560

Squares which can be represented as the sum of consecutive primes in more than one way. A163246

Squares which are a decimal concatenation of triprimes. A225151