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Properties of the Number 20374

Twenty Thousand Three Hundred Seventy-Four

Basics

Value: 20373 → 20374 → 20375

Parity: even

Prime: No

Previous Prime: 20369

Next Prime: 20389

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 61 × 167

Divisors: 1, 2, 61, 122, 167, 334, 10187, 20374

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111110010110

Octal: 47626

Duodecimal: B95A

Hexadecimal: 4f96

Square: 415099876

Square Root: 142.73752134600068

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

Smallest m such that A065623(m) = n. A65624
Coordination sequence for α-Mn, Position Mn4. A9953
Numbers n such that σ(2*φ(n)) = 2*σ(n). A137733
Number of (n+1)X(6+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nondecreasing. A263871
Array T(m,n) read by antidiagonals: T(m,n) (m >= 1, n >= 1) = number of ways to arrange the numbers 1,2,...,m·n in an m X n matrix so that each row and each column is increasing. A60854
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nondecreasing. A263873
Numbers k such that the continued fraction for sqrt(k) has period 35. A20374
Number of nX5 binary matrices with no three 1's adjacent in a line diagonally or antidiagonally. A181216
Index of the closure of a triangle group δ, associated with billiards in a regular n-gon, in the adelic group γ = SL2(O), where O is the profinite completion of Z[ζ + ζ-1] and ζ is the n-th root of unity. A374898