Properties of the Number 49401

Forty-Nine Thousand Four Hundred One

Basics

Value: 49400 → 49401 → 49402

Parity: odd

Prime: No

Previous Prime: 49393

Next Prime: 49409

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 499

Divisors: 1, 3, 9, 11, 33, 99, 499, 1497, 4491, 5489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000011111001

Octal: 140371

Duodecimal: 24709

Hexadecimal: c0f9

Square: 2440458801

Square Root: 222.2633573038975

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 decimal strings of length n that contain a specific string xy where·and y are distinct digits. A322052

Array read by antidiagonals: T(m,n) = number of placements of zero or more dominoes on the m X n grid where no two empty squares are horizontally adjacent. A332862

Number of chess diagrams that can be obtained in exactly one way in n plies and cannot be obtained in fewer plies. This is also the number of dual-free shortest proof games in n plies. A209080

a(n) = 5·n⁴ - 6·n² + 1. Column 4 of A378066. A378064

Number of perfect matchings (or domino tilings) in W₅ X P_2n. A3735

Numerator of Euler(n, 9/20). A156757

1/2 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 20. A159221

a(n)=(n⁴-n³-n²-n)/2. A171129

Number of Young tableaux of height <= 5. A49401