Properties of the Number 71058

Seventy-One Thousand Fifty-Eight

Basics

Value: 71057 → 71058 → 71059

Parity: even

Prime: No

Previous Prime: 71039

Next Prime: 71059

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 13 × 911

Divisors: 1, 2, 3, 6, 13, 26, 39, 78, 911, 1822

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001010110010010

Octal: 212622

Duodecimal: 35156

Hexadecimal: 11592

Square: 5049239364

Square Root: 266.5670647323108

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 n whose sum of divisors equals the sum of divisors of 2n+1. A272553

a(n) = A077710(n+1)/A077710(n). A77711

Number of 5 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally. A188556

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly three ways. A76456

Numbers n such that usigma(n) = usigma(2·n+1) where usigma(n) = A034448(n). A286837

Number of ways of pairing odd numbers in the range 1 to n with even numbers in the range n+1 to 2n such that each pair sums to a prime. A71058

Array read by ascending antidiagonals where row n contains the second partial sums of row n of Pascal's triangle. A210489