Properties of the Number -398893

Three Hundred Ninety-Eight Thousand Eight Hundred Ninety-Three

Basics

Value: -398894 → -398893 → -398892

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 40

Digital Root: 4

Palindrome: Yes

Factorization: 11 × 36263

Divisors: 1, 11, 36263, 398893

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100001011000101101

Octal: -1413055

Duodecimal: -172A11

Hexadecimal: -6162d

Square: 159115625449

Square Root: 631.5797653503475

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

Becomes prime after n iterations of f(x) = φ(x)+1 (least inverse of A039651). A39652

a(n) is the least number that can be represented in exactly n ways as the sum of a prime and its digit reversal. A344871