Properties of the Number 39995

Thirty-Nine Thousand Nine Hundred Ninety-Five

Basics

Value: 39994 → 39995 → 39996

Parity: odd

Prime: No

Previous Prime: 39989

Next Prime: 40009

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 5 × 19 × 421

Divisors: 1, 5, 19, 95, 421, 2105, 7999, 39995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110000111011

Octal: 116073

Duodecimal: 1B18B

Hexadecimal: 9c3b

Square: 1599600025

Square Root: 199.98749960935058

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 multiple of 5 with digit sum n. A69534

Numbers whose set of base 6 digits is {0,5}. A97252

Numbers n such that φ(φ(n)) + σ(σ(n)) - φ(σ(n)) - σ(φ(n)) = φ(n). A66945

Numbers k such that j(k)*φ(k) = σ(φ(k)), j(k) = A033831(k). A33856

a(n) = 25·n² - 5. A158446

Solution of the complementary equation a(n) = 2·a(n-1) - a(n-3) + b(n-1), where a(0) = 1, a(1) = 3, a(2) = 5, b(0) = 2, b(1) = 4, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences. A295614

Triangle in A059037 read by rows from left to right. A59038

Number of (n+2) X 5 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order. A184542

Triangle in A059037 read by rows in natural order. A59039

Partial sums of A053872. A155974