Properties of the Number 75080

Seventy-Five Thousand Eighty

Basics

Value: 75079 → 75080 → 75081

Parity: even

Prime: No

Previous Prime: 75079

Next Prime: 75083

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 × 1877

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1877, 3754

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010010101001000

Octal: 222510

Duodecimal: 37548

Hexadecimal: 12548

Square: 5637006400

Square Root: 274.0072991728505

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

T(n,k)=Number of arrangements of n+2 nonzero numbers x(i) in -k..k with the sum of x(i)*x(i+1) equal to zero. A188249

Array read by antidiagonals: T(n,k) = variant of Knuth's Fibonacci (or circle) product of n and k (A101330). A101385

Sum of all digits in all even numbers from 0 to 8(10^k+1-1)/9 (with (k+1) 8's). A89350

a(1) = 1, a(2) = 2 then the least number starting with n so that every term divides the concatenation of its neighbors. A113695

Number of arrangements of n+2 nonzero numbers x(i) in -7..7 with the sum of x(i)*x(i+1) equal to zero. A188247

Number of arrangements of 6 nonzero numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero. A188252

Number of linear extensions of the one-level grid poset G[(1ⁿ), (1^n-1), (1^n-1)]. A274764

Erroneous version of A056218. A75080