Properties of the Number 42878

Forty-Two Thousand Eight Hundred Seventy-Eight

Basics

Value: 42877 → 42878 → 42879

Parity: even

Prime: No

Previous Prime: 42863

Next Prime: 42899

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 1949

Divisors: 1, 2, 11, 22, 1949, 3898, 21439, 42878

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011101111110

Octal: 123576

Duodecimal: 20992

Hexadecimal: a77e

Square: 1838522884

Square Root: 207.0700364610969

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

a(n) = n³ + 3. A84378

Number of permutations that are n-2 "block reversals" away from 12...n. A7973

Principal diagonal of the convolution array A213584. A213585

Number of (w,x,y,z) with all terms in {1,...,n} and w·x+y·z>=n². A212132

Triangle read by rows: T(n,k) = ∑_i=k..n C(i-1,i-k)*C(i,k). A382225

Numerators of continued fraction convergents to sqrt(971). A42878