Properties of the Number 61143

Sixty-One Thousand One Hundred Forty-Three

Basics

Value: 61142 → 61143 → 61144

Parity: odd

Prime: No

Previous Prime: 61141

Next Prime: 61151

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 89 × 229

Divisors: 1, 3, 89, 229, 267, 687, 20381, 61143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110111011010111

Octal: 167327

Duodecimal: 2B473

Hexadecimal: eed7

Square: 3738466449

Square Root: 247.27110627810924

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 number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units, where one trapezoid has a larger base of n units. A391453

Decimal part of a(n)^1/4 starts with a 'nine digits' anagram. A34279

Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1000-1111-0001 pattern in any orientation. A147274

a(1) = 1; a(n) = sum of terms in the continued fraction for the square of the continued fraction [a(1); a(2), a(3), a(4),..., a(n-1)]. A61143