Properties of the Number 42278

Forty-Two Thousand Two Hundred Seventy-Eight

Basics

Value: 42277 → 42278 → 42279

Parity: even

Prime: No

Previous Prime: 42257

Next Prime: 42281

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 21139

Divisors: 1, 2, 21139, 42278

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010010100100110

Octal: 122446

Duodecimal: 20572

Hexadecimal: a526

Square: 1787429284

Square Root: 205.61614722584412

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

Each letter appears an even number of times in the English names for 1 through n taken together (names with "and"). A103155

Numerators of continued fraction convergents to sqrt(665). A42278