Properties of the Number 71309

Seventy-One Thousand Three Hundred Nine

Basics

Value: 71308 → 71309 → 71310

Parity: odd

Prime: No

Previous Prime: 71293

Next Prime: 71317

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 7 × 61 × 167

Divisors: 1, 7, 61, 167, 427, 1169, 10187, 71309

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011010001101

Octal: 213215

Duodecimal: 35325

Hexadecimal: 1168d

Square: 5084973481

Square Root: 267.0374505570333

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

a(n) is the smallest number, larger than the previous, such that the RMS (Root Mean Square) of a(0) through a(n) is an integer. A141393

Number of achiral rooted trees. A3241

Number of (n+3)X10 binary arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock. A188103

a(n) = (1/2) * (number of n X n 0..10 matrices with MM' mod 11 = I). A71309

Number of set partitions of [n] into exactly ten parts such that no part contains two elements with a circular distance less than three. A261486