Properties of the Number 71080

Seventy-One Thousand Eighty

Basics

Value: 71079 → 71080 → 71081

Parity: even

Prime: No

Previous Prime: 71069

Next Prime: 71081

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 1777

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1777, 3554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010110101000

Octal: 212650

Duodecimal: 35174

Hexadecimal: 115a8

Square: 5052366400

Square Root: 266.60832695172894

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 permutations p of [n] such that p(p(i)) = i for all i or p(n+1-p(i)) = n+1-i for all i. A297708

Expansion of ∏_m>=1 (1+m·q^m)^-20. A22712

Determinant of the n X n matrix whose element (i,j) equals the |i-j|-th composite number, or 1 if i=j. A71080