Properties of the Number -999987

Nine Hundred Ninety-Nine Thousand Nine Hundred Eighty-Seven

Basics

Value: -999988 → -999987 → -999986

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 51

Digital Root: 6

Palindrome: No

Factorization: 3 × 257 × 1297

Divisors: 1, 3, 257, 771, 1297, 3891, 333329, 999987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110100001000110011

Octal: -3641063

Duodecimal: -402843

Hexadecimal: -f4233

Square: 999974000169

Square Root: 999.9934999788749

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 n-digit squarefree number whose internal as well as external digits form a squarefree number, or 0 if no such number exists. A77380

a(n) = 10ⁿ - prime(n). A262777

Largest n-digit lucky number. A261512