Properties of the Number 47292

Forty-Seven Thousand Two Hundred Ninety-Two

Basics

Value: 47291 → 47292 → 47293

Parity: even

Prime: No

Previous Prime: 47287

Next Prime: 47293

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7 × 563

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011100010111100

Octal: 134274

Duodecimal: 23450

Hexadecimal: b8bc

Square: 2236533264

Square Root: 217.46723891197956

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

E.g.f.: (exp(x)-1)²/(2-exp(x)). A52875

Number of aperiodic normal sequences of length n. A296975

Number of ordered partitions of an n-set without blocks of size 7. A343790

Triangle read by rows: T(n,k) = ∑_i=k..n i!*Stirling2(n,i), n >= 1, 1 <= k <= n. A84416

Number of ordered set partitions of [n] with at most six elements per block. A276926

a(n) = 18522·n - 8274. A157735

Number of length n primitive (aperiodic) palindromes with integer entries that cover an initial interval of positive integers. A327874

Number of primitive (period n) periodic palindromes with integer entries that cover an initial interval of positive integers. A327879

Triangle read by rows: T(n,k)=sum((n+1-i)!*stirling2(n,n+1-i),i=1..k), n>=1, 1<=k<=n. A84417

Numbers k such that (22·10^k + 161)/3 is prime. A282278