Properties of the Number 42814

Forty-Two Thousand Eight Hundred Fourteen

Basics

Value: 42813 → 42814 → 42815

Parity: even

Prime: No

Previous Prime: 42797

Next Prime: 42821

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 21407

Divisors: 1, 2, 21407, 42814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011100111110

Octal: 123476

Duodecimal: 2093A

Hexadecimal: a73e

Square: 1833038596

Square Root: 206.91544166639667

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

Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<2. A212896

a(n) = 1 + ∑_{d∣n, d < n} a(d)². A343511

Numbers·such that σ(x) = rev(σ*(x)), where σ(x) is the sum of the divisors of x, σ*(x) the sum of the anti-divisors of·and rev(x) the reverse of x. A248787

Distinct values of A343511. A341337

Numerators of continued fraction convergents to sqrt(938). A42814