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Properties of the Number 18373

Eighteen Thousand Three Hundred Seventy-Three

Basics

Value: 18372 → 18373 → 18374

Parity: odd

Prime: No

Previous Prime: 18371

Next Prime: 18379

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 19 × 967

Divisors: 1, 19, 967, 18373

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011111000101

Octal: 43705

Duodecimal: A771

Hexadecimal: 47c5

Square: 337567129

Square Root: 135.5470398053753

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 one-sided triangular polyominoes (n-iamonds) with n cells; turning over not allowed, holes are allowed. A6534
T(n,k)=Number of nXk 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4. A240760
The number of distinct positions on an infinite chessboard reachable by the (3,4)-leaper in <= n moves. A297741
Starhex honeycomb numbers: a(n) = 13 + 60·n + 60·n2. A332243
Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 78 ones. A31846
Antidiagonal sums of number triangle A106270. A106272
Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4. A240762
Number of partitions of n with equal number of parts congruent to each of 1 and 2 (mod 4). A35543
T(n,k)=Number of -k..k arrays x(0..n+2) of n+3 elements with zero sum and no two or three adjacent elements summing to zero. A200430
Divisors of 284. A18373