Properties of the Number 7874

Seven Thousand Eight Hundred Seventy-Four

Basics

Value: 7873 → 7874 → 7875

Parity: even

Prime: No

Previous Prime: 7873

Next Prime: 7877

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 31 × 127

Divisors: 1, 2, 31, 62, 127, 254, 3937, 7874

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111011000010

Octal: 17302

Duodecimal: 4682

Hexadecimal: 1ec2

Square: 61999876

Square Root: 88.73556220591607

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 the concatenation of k with k+2 gives a square. A115426

Expansion of ∏_m>=1 (1 + m²*q^m). A92484

a(n) = 2·n*(4·n + 3). A33587

Numbers that are the sum of 4 nonzero 4th powers in more than one way. A309763

Numbers that are the sum of four fourth powers in exactly two ways. A344193

Numbers that are the sum of nine fourth powers in exactly six ways. A345848

Convert the primorial base expansion of n into its prime product form, then subtract the largest primorial which divides that product: a(n) = A276151(A276086(n)). A328476

a(n) = (1 + 3·n)*(4 + 3·n)/2. A145910

Numbers m that divide 3^{m + 1} + 1. A328230

Triangle read by rows: T(m,n) (m >= n >= 1) = number of edges formed by drawing the line segments connecting any two of the (m+1) X (n+1) lattice points in an m X n grid of squares and extending them to the boundary of the grid. A333283