Properties of the Number -1998580

Nine Hundred Ninety-Eight Thousand Five Hundred Eighty

Basics

Value: -1998581 → -1998580 → -1998579

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 99929

Divisors: 1, 2, 4, 5, 10, 20, 99929, 199858, 399716, 499645

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -111100111111011110100

Octal: -7477364

Duodecimal: -804704

Hexadecimal: -1e7ef4

Square: 3994322016400

Square Root: 1413.7114274136713

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 (n+1)X(k+1) 0..3 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock. A236087

Number of (n+1)X(1+1) 0..3 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock. A236083