Properties of the Number 47670

Forty-Seven Thousand Six Hundred Seventy

Basics

Value: 47669 → 47670 → 47671

Parity: even

Prime: No

Previous Prime: 47659

Next Prime: 47681

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 7 × 227

Divisors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101000110110

Octal: 135066

Duodecimal: 23706

Hexadecimal: ba36

Square: 2272428900

Square Root: 218.33460559425754

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

Numbers k having exactly 5 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 5 distinct prime factors). A115959

Triangle read by rows: T(n,k) is the number of alternating (i.e., down-up) permutations of {1,2,...,n} having k fixed points (n >= 0, 0 <= k <= ceiling(n/2)). A162979

Least positive k such that k·n + 1 is a golden semiprime (A108540). A108200

Triangle of Hankel transforms of binomial(n+k, k). A120247

Row 6 of array in A047666. A47670