Properties of the Number 71084

Seventy-One Thousand Eighty-Four

Basics

Value: 71083 → 71084 → 71085

Parity: even

Prime: No

Previous Prime: 71081

Next Prime: 71089

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 13 × 1367

Divisors: 1, 2, 4, 13, 26, 52, 1367, 2734, 5468, 17771

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001010110101100

Octal: 212654

Duodecimal: 35178

Hexadecimal: 115ac

Square: 5052935056

Square Root: 266.6158284873574

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 set partitions of {1, ..., n} that avoid enhanced 3-crossings (or enhanced 3-nestings). A108307

Determinant of the n X n matrix whose element (i,j) equals t(|i-j|) where t(n) is the number of divisors of n and t(0) = 0. A71084