Properties of the Number -30803

Thirty Thousand Eight Hundred Three

Basics

Value: -30804 → -30803 → -30802

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: Yes

Factorization: 30803

Divisors: 1, 30803

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100001010011

Octal: -74123

Duodecimal: -159AB

Hexadecimal: -7853

Square: 948824809

Square Root: 175.507834582961

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

Palindromic in bases 10 and 36. A250412

Primes of form n² + n + 3. A27753

Primes having only {0, 3, 8} as digits. A261434

Palindromes of form k² + k + 3. A27715

Base-10 palindromes that starts with 3. A43038

Prime index of A000101(n), maximal gap upper end prime index. A107578

Dates after Jan 01 00 in chronological order which are palindromic when they are written in the format D.M.YY. The terms are listed as numbers (without the dots). A210890

Dates after Jan 01 00 in chronological order which are palindromic when they are written in the format D.M.YY. The terms are listed as numbers. Leading zeros of the terms are suppressed. A210892

Gridgeman pairs in increasing order: pairs of palindromic primes which differ only in their middle digits whose difference is equal to 1. A246488

Primes whose base-9 representation is a square in base 10. A267821