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Properties of the Number 47306

Forty-Seven Thousand Three Hundred Six

Basics

Value: 47305 → 47306 → 47307

Parity: even

Prime: No

Previous Prime: 47303

Next Prime: 47309

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 31 × 109

Divisors: 1, 2, 7, 14, 31, 62, 109, 217, 218, 434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1011100011001010

Octal: 134312

Duodecimal: 23462

Hexadecimal: b8ca

Square: 2237857636

Square Root: 217.49942528659702

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

T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234712
Numbers k such that A003415(k) == A276085(k) (mod 2310), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function. A391864
Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically. A207106
Number of compositions of n into distinct parts with exactly two descents. A241721
A Graham-Pollak-like sequence with cube root instead of square root. A100673
The smallest pronic (A002378) with the same most significant digits as n. A163599
Numbers k such that k = x + y, sigma1(k) = sigma1(x) + sigma1(y) and sigma2(k) = sigma2(x) + sigma2(y). A219033
Number of (n+1) X (1+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234705
Number of (n+1) X (4+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234708
Number of nonnegative integer matrices with distinct nonzero rows, total sum n and columns with equal sums. A331648