Properties of the Number -30903

Thirty Thousand Nine Hundred Three

Basics

Value: -30904 → -30903 → -30902

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: Yes

Factorization: 3 × 10301

Divisors: 1, 3, 10301, 30903

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100010110111

Octal: -74267

Duodecimal: -15A73

Hexadecimal: -78b7

Square: 954995409

Square Root: 175.79249130722278

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

Palindromes with exactly 2 palindromic prime factors (counted with multiplicity), and no other prime factors. A46376

Base-10 palindromes that starts with 3. A43038

Palindromes with exactly 2 distinct palindromic prime factors. A46408

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

Palindromic composite numbers starting with a digit 3. A222726

G.f. A(x) satisfies: ∑_n>=0 xⁿ * A(x)^n*(n-1/2) = 1 / ∑_n>=0 (-x)ⁿ * A(x)^n*(n+1/2). A337913

Largest palindromic substring in 9ⁿ. A46267

Palindromes expressible as the sum of 3 consecutive palindromes. A46498

a(1) = 2; then least palindrome greater than the previous term such that every partial concatenation is a prime. A88084