Properties of the Number 39172

Thirty-Nine Thousand One Hundred Seventy-Two

Basics

Value: 39171 → 39172 → 39173

Parity: even

Prime: No

Previous Prime: 39163

Next Prime: 39181

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7 × 1399

Divisors: 1, 2, 4, 7, 14, 28, 1399, 2798, 5596, 9793

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001100100000100

Octal: 114404

Duodecimal: 1A804

Hexadecimal: 9904

Square: 1534445584

Square Root: 197.9191754226962

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

Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n. A359971

a(n) is least k such that k and 10k are anagrams in base n (written in base 10). A23102

Number of nX4 0..1 arrays with every element unequal to 0, 1, 5 or 8 king-move adjacent elements, with upper left element zero. A304266

Numbers whose base-11 representation has the same number of 1's and 9's. A39172