Properties of the Number 55819

Fifty-Five Thousand Eight Hundred Nineteen

Basics

Value: 55818 → 55819 → 55820

Parity: odd

Prime: Yes

Previous Prime: 55817

Next Prime: 55823

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 55819

Divisors: 1, 55819

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101101000001011

Octal: 155013

Duodecimal: 28377

Hexadecimal: da0b

Square: 3115760761

Square Root: 236.26044950435525

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

Values of odd prime numbers, D, for incrementally largest values of minimal·satisfying the equation x² - D·y² = -2. A336790

Values of odd prime numbers, D, for incrementally largest values of minimal positive y satisfying the equation x² - D·y² = -2. A336792

Main diagonal of A332372. A332373

Greatest of 4 consecutive primes with consecutive gaps 6, 4, 2. A290635

Sum of squares of end-to-end distances for self-avoiding walks on the Manhattan lattice. A260777

Row sums of array T in A055818; twice the odd-indexed Fibonacci numbers after initial term. A55819

Integers d such that the longest possible arithmetic progression (AP) of primes with common difference d has exactly 10 elements. A360146

Numbers k for which A319100(k) sets a new record. A307251