Properties of the Number 39143

Thirty-Nine Thousand One Hundred Forty-Three

Basics

Value: 39142 → 39143 → 39144

Parity: odd

Prime: No

Previous Prime: 39139

Next Prime: 39157

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 3011

Divisors: 1, 13, 3011, 39143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100011100111

Octal: 114347

Duodecimal: 1A79B

Hexadecimal: 98e7

Square: 1532174449

Square Root: 197.8458996289789

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

Composite n such that both n and its reversal in base 10 are squarefree, none of the prime factors of n are palindromes and the prime factors of the reversal of n are the reversals of those of n. A83526

Number of n-bead necklaces labeled with numbers -5..5 allowing reversal, with sum zero and first and second differences in -5..5. A208967

Number of 2Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing. A223865

Number of (n+4) X 9 0..2 matrices with each 5 X 5 subblock idempotent. A224622

Numbers whose base-10 representation has the same number of 4's and 7's. A39143