Properties of the Number 47474

Forty-Seven Thousand Four Hundred Seventy-Four

Basics

Value: 47473 → 47474 → 47475

Parity: even

Prime: No

Previous Prime: 47459

Next Prime: 47491

Digit Sum: 26

Digital Root: 8

Palindrome: Yes

Factorization: 2 × 7 × 3391

Divisors: 1, 2, 7, 14, 3391, 6782, 23737, 47474

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100101110010

Octal: 134562

Duodecimal: 23582

Hexadecimal: b972

Square: 2253780676

Square Root: 217.88529092162233

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

Powers of cube root of 12 rounded to nearest integer. A18010

Powers of cube root of 12 rounded up. A18011

Triangle read by rows giving the coefficients of formulas generating each variety of S1(n,k) (unsigned Stirling numbers of first kind). The p-th row (p>=1) contains T(i,p) for i=1 to 2·p, where T(i,p) satisfies ∑_i=1..2·p T(i,p) * C(n,i). A94216

Numbers with digits 4 and 7 only. A284971

Numbers whose set of base 15 digits is {0,E}, where E base 15 = 14 base 10. A97261

Numbers that are the sum of an emirp and its reversal in more than one way. A345408

Lexicographically first sequence of distinct terms such that the sum of any two terms is not a term of the sequence, and the sum of any two digits is not a digit of the sequence. A302938

a(n) = A349976(n, n-1) for n >= 1 and a(0) = 0. A349972

Number of 4-ary rooted trees with n nodes and height exactly 7. A36631

a(n) = smallest palindrome > a(n-1) such that a(1)*a(2)*...*a(n) + 1 and a(1)*a(2)*...*a(n) - 1 are primes. A51955