Properties of the Number 49143

Forty-Nine Thousand One Hundred Forty-Three

Basics

Value: 49142 → 49143 → 49144

Parity: odd

Prime: No

Previous Prime: 49139

Next Prime: 49157

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 16381

Divisors: 1, 3, 16381, 49143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111111110111

Octal: 137767

Duodecimal: 24533

Hexadecimal: bff7

Square: 2415034449

Square Root: 221.68220496918556

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

Number of noncongruent integer-sided tetrahedra with largest side n. A97125

Least number m such that the arithmetic mean of the distinct prime divisors of m is equal to 2ⁿ. A70009

Least semiprime whose sum of prime factors equals 2ⁿ. A193226

a(n) is the least k such that A342956(k) = n. A342957

n is equal to the number of 1's in all numbers <= n written in base 8. A14885

Number of integers k not exceeding 2ⁿ such that the cube of number of divisors [A000005(k)] is larger than k. A56764

A higher order recursion triangle sequence: m=3;l=3;e(n,k,m)=(l·k + m - 1)e(n - 1, k, m) + (m·n - l·k + 1 - m)e(n - 1, k - 1, m). A156278

Least k such that the sum of the distinct prime divisors of k equals mⁿ for some m > 1. A194230

Number of simple graphs on n vertices up to homotopy equivalence. A331554

a(n) is the number of terms m such that d(m!) divides d((m!)²ⁿ⁺¹), where d is A000005. A286835