Properties of the Number 47481

Forty-Seven Thousand Four Hundred Eighty-One

Basics

Value: 47480 → 47481 → 47482

Parity: odd

Prime: No

Previous Prime: 47459

Next Prime: 47491

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 ² × 17 × 19

Divisors: 1, 3, 7, 17, 19, 21, 49, 51, 57, 119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011100101111001

Octal: 134571

Duodecimal: 23589

Hexadecimal: b979

Square: 2254445361

Square Root: 217.90135382782734

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

Convolution of natural numbers (A000027) with tetradecagonal numbers (A051866). A220212

Expansion of (1 + x⁴ - x⁵)/((1 + x⁴ - x⁵)² - 4·x⁴). A376728

Number of nonprime parts in the last section of the set of partitions of n. A144121

Array read by antidiagonals downwards: A(n,m) = number of set partitions of [2n] into 2-element subsets {i, i+k} with 1 <= k <= m. A360335

Numbers that are congruent to {0, 2, 5, 7} mod 8. A47481

Smallest possible prime factor of 10^k+n for any k. A262083

Square array read by antidiagonals upwards: T(i,j) is the smallest number m such that the symmetric representation of σ, SRS(m), has maximum width 3, consists of i parts and has 2·j occurrences of maximum width 3 in its width pattern (row m of A341969). A377667