Properties of the Number 38145

Thirty-Eight Thousand One Hundred Forty-Five

Basics

Value: 38144 → 38145 → 38146

Parity: odd

Prime: No

Previous Prime: 38119

Next Prime: 38149

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 2543

Divisors: 1, 3, 5, 15, 2543, 7629, 12715, 38145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010100000001

Octal: 112401

Duodecimal: 1A0A9

Hexadecimal: 9501

Square: 1455041025

Square Root: 195.3074499347119

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 such that k and 2·k, taken together are pandigital. A115922

Number of partitions of n into parts not of the form 13k, 13k+4 or 13k-4. Also number of partitions with at most 3 parts of size 1 and differences between parts at distance 5 are greater than 1. A35952

a(n) = n * ∑_d∣n σ(d)³ / d. A344043

Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011. A260764

Numbers that are the product of 3 distinct primes a,b and c, such that a+b+c, a²+b²+c² and a³+b³+c³ are prime numbers. A176911

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011. A260767

a(n) is the denominator of the Heron sequence with h(0) = 3. A319750

Number of n-celled helicenes without holes. A38145