Properties of the Number 47381

Forty-Seven Thousand Three Hundred Eighty-One

Basics

Value: 47380 → 47381 → 47382

Parity: odd

Prime: Yes

Previous Prime: 47363

Next Prime: 47387

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 47381

Divisors: 1, 47381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011100100010101

Octal: 134425

Duodecimal: 23505

Hexadecimal: b915

Square: 2244959161

Square Root: 217.671771252039

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

a(n) is the smallest nonnegative integer such that the sum of any seven ordered terms a(k), k<=n (repetitions allowed), is unique. A365303

Number of length 5 0..n arrays with each partial sum starting from the beginning no more than one standard deviation from its mean. A244793

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 11110-01111 pattern in any orientation. A147509

Primes of the form k!+k^k+k-1. A187603

Primes congruent to 5 (mod 504). A228093

Table read by antidiagonals upward: the n-th row gives the lexicographically earliest infinite B_n sequence starting from 0. A365515

Numbers that are congruent to {0, 1, 2, 4, 5} mod 7. A47381

Number of (n+1)X(2+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11. A234211