Properties of the Number 49000

Forty-Nine Thousand

Basics

Value: 48999 → 49000 → 49001

Parity: even

Prime: No

Previous Prime: 48991

Next Prime: 49003

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 ³ × 7 ²

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 20, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1011111101101000

Octal: 137550

Duodecimal: 24434

Hexadecimal: bf68

Square: 2401000000

Square Root: 221.35943621178654

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 of form 7ⁱ*10^j, with i, j >= 0. A25632

G.f.: exp( ∑_n>=1 xⁿ * (1+x)ⁿ / (n*(1-xⁿ)) ). A227681

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 0,1 or 1,2. A264341

a(n) = n! * Laguerre(n, 2·n, -n). A295406

Numbers with prime factorization p²*q³*r³ where p, q, and r are distinct primes. A190106

a(n) = n²*sigma₂(n). A386745

Minimal m > 0 such that Fibonacci(m) == 0 (mod n³). A132633

Numbers k such that sum of digits of k² is 7. A262711

Array read by antidiagonals: T(n,k) = n³*k³*(n+k)², n>=0, k>=0. A358292

Array read by antidiagonals: T(n,k) = n³*k³*(n+k)², n>=1, k>=1. A358293