Properties of the Number 49903

Forty-Nine Thousand Nine Hundred Three

Basics

Value: 49902 → 49903 → 49904

Parity: odd

Prime: No

Previous Prime: 49891

Next Prime: 49919

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 7129

Divisors: 1, 7, 7129, 49903

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001011101111

Octal: 141357

Duodecimal: 24A67

Hexadecimal: c2ef

Square: 2490309409

Square Root: 223.38979385817964

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

Numbers k such that k and k² use only the digits 0, 2, 3, 4 and 9. A136886

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2, and a(3) = 1. A49903