Properties of the Number 40855

Forty Thousand Eight Hundred Fifty-Five

Basics

Value: 40854 → 40855 → 40856

Parity: odd

Prime: No

Previous Prime: 40853

Next Prime: 40867

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 8171

Divisors: 1, 5, 8171, 40855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001111110010111

Octal: 117627

Duodecimal: 1B787

Hexadecimal: 9f97

Square: 1669131025

Square Root: 202.12619820300387

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

Number of days after Jan 01 1000 such that the date written in the ISO-8601-format YYYYMMDD is palindromic. A210883

Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic. A210885

Number T(n,k) of parts in all proper k-times partitions of n into distinct parts; triangle T(n,k), n >= 1, 0 <= k <= max(0,n-2), read by rows. A327632

Number of nX1 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself. A196537

a(n) = the number of "isolated divisors" of n!. A positive divisor, k, of n is isolated if neither (k-1) nor (k+1) divides n. A133952

Continued fraction for sqrt(885). A40855