Properties of the Number 47240

Forty-Seven Thousand Two Hundred Forty

Basics

Value: 47239 → 47240 → 47241

Parity: even

Prime: No

Previous Prime: 47237

Next Prime: 47251

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 1181

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011100010001000

Octal: 134210

Duodecimal: 23408

Hexadecimal: b888

Square: 2231617600

Square Root: 217.34764779035453

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) - b(n-3), where a(0) = 1, a(1) = 2, a[2] = 3, b(0) = 4, b(1) = 5, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences. A295366

Numbers k such that Bernoulli number B_k has denominator 13530. A295587

Numbers that are congruent to {0, 1, 2} mod 6. A47240

Numbers divisible by 3 in the decimal expansion of π, contiguous and smallest. A164525