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Properties of the Number 1824

One Thousand Eight Hundred Twenty-Four

Basics

Value: 1823 → 1824 → 1825

Parity: even

Prime: No

Previous Prime: 1823

Next Prime: 1831

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 5 × 3 × 19

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 19, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11100100000

Octal: 3440

Duodecimal: 1080

Hexadecimal: 720

Square: 3326976

Square Root: 42.708313008125245

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 divides the (right) concatenation of all numbers <= k written in base 25 (most significant digit on right). A29518
Numbers that are divisible by exactly 7 primes counting multiplicity. A46308
Number of finite connected sets of positive integers greater than one with least common multiple n. A286518
Number of integer partitions of n with no adjacent parts having quotient >= 2. A342096
Heinz numbers of integer partitions whose product of parts is one greater than their sum. A325041
Numbers that can be expressed as the difference of the squares of primes in just one distinct way. A90781
a(n) = a(n-1) + a(n-8), with a(i) = 1 for i = 0..7. A5710
a(n) = ∏k=0..floor(log3(n)) floor(n/3k), n>=1. A132027
Number of partitions of n in which the greatest part is 7. A26813
Pairs (j, k) of numbers j<k such that φ(j) = φ(k), σ(j) = σ(k), d(j) = d(k). A134922