Properties of the Number 55140

Fifty-Five Thousand One Hundred Forty

Basics

Value: 55139 → 55140 → 55141

Parity: even

Prime: No

Previous Prime: 55127

Next Prime: 55147

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 919

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011101100100

Octal: 153544

Duodecimal: 27AB0

Hexadecimal: d764

Square: 3040419600

Square Root: 234.81907929297398

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

Successively larger 3-ball indecomposable ground-state site swaps of A084511 in concatenated decimal notation. A84512

Successively larger 3-ball 'prime' ground-state site swaps of A084521 in concatenated decimal notation. A84522

Number of 3 X n 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302516

Number of 3Xn 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303315

Triangle read by rows: T(n, k) = number of matchings of 2n people with partners (of either sex) such that exactly k couples are left together. A55140