Properties of the Number 71230

Seventy-One Thousand Two Hundred Thirty

Basics

Value: 71229 → 71230 → 71231

Parity: even

Prime: No

Previous Prime: 71209

Next Prime: 71233

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 17 × 419

Divisors: 1, 2, 5, 10, 17, 34, 85, 170, 419, 838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011000111110

Octal: 213076

Duodecimal: 3527A

Hexadecimal: 1163e

Square: 5073712900

Square Root: 266.88949023893764

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(j,k) are the numerators u in the representation R = s/t + (2/π)*u/v of the resistance between two nodes separated by the distance vector (j,k) in an infinite square lattice of one-ohm resistors, where T(j,k), j >= 0, 0 <= k <= j, is a triangle read by rows. A355566

a(n) = n*(6·n² - 7·n + 3)/2. A71230