Properties of the Number 51055

Fifty-One Thousand Fifty-Five

Basics

Value: 51054 → 51055 → 51056

Parity: odd

Prime: No

Previous Prime: 51047

Next Prime: 51059

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 10211

Divisors: 1, 5, 10211, 51055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011101101111

Octal: 143557

Duodecimal: 25667

Hexadecimal: c76f

Square: 2606613025

Square Root: 225.9535350464781

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

Triangle read by rows: T(n,k) = number of tilings of a n X k rectangle using 2 X 2 and 1 X 1 tiles and dominoes, n >= 0, k = 0..n. A352589

T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222679

Number of ways to tile a fixed 3 X n square grid with 1 X 1, 2 X 2, and 1 X 2 tiles. A226351

Triangle, read by rows, where column 0 is [1,-1,-2,-3,...,-n,...] and column k+1 is generated by the binomial transform of column k preceded by a zero (column k includes the k zeros above the main diagonal). A117334

Number of nX3 0..3 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222674

a(n) = time to the nearest second at the n-th instant (n>=0) when the hour and minute hands on a clock face coincide, starting at time 0:00. A335789

Times on the display of a 24-hour digital clock with 6 digits, rounded to full seconds, at which the hour and minute hands of an analog clock form a right angle. Terms with fewer than 6 digits are to be assumed filled with zeros to the left. A347039

'Connected' alternating sign n X n matrices, i.e., not made from smaller blocks. A51055