Properties of the Number -168100

One Hundred Sixty-Eight Thousand One Hundred

Basics

Value: -168101 → -168100 → -168099

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 ² × 41 ²

Divisors: 1, 2, 4, 5, 10, 20, 25, 41, 50, 82

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -101001000010100100

Octal: -510244

Duodecimal: -81344

Hexadecimal: -290a4

Square: 28257610000

Square Root: 410

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

Determinant of the n X n matrix with (i,j)-entry equal to 1 or 0 according as i + j and 4*(i + j)² + 1 are both prime or not. A228561

Squares that are the sum of two consecutive primes. A62703

Squares which are the concatenation of two nonzero squares. A39686

a(1) = 0; for n > 1, a(n) is the smallest square > a(n-1) with a(n-1) forming its final digits. A65689

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits. A262274

Values square, differences triangular. A36449

k² is a term if k² + (k-1)² and k² + (k+1)² are primes. A75577

Squares which are concatenation of two positive squares with possible intervening zeros. A147608

a(n) = (11·n + 3)². A17426

a(n) = (12·n + 2)². A17546