Properties of the Number 47245

Forty-Seven Thousand Two Hundred Forty-Five

Basics

Value: 47244 → 47245 → 47246

Parity: odd

Prime: No

Previous Prime: 47237

Next Prime: 47251

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 × 859

Divisors: 1, 5, 11, 55, 859, 4295, 9449, 47245

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100010001101

Octal: 134215

Duodecimal: 23411

Hexadecimal: b88d

Square: 2232090025

Square Root: 217.35914979590805

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 T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows. A319298

Total number of parts smaller than the largest part, in all partitions of n. A116686

Number of entries in the fourth blocks of all set partitions of [n] when blocks are ordered by increasing lengths. A332944

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly four ways. A76457

Numbers that are congruent to {1, 2, 3} mod 6. A47245

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4. A197246