Properties of the Number 71989

Seventy-One Thousand Nine Hundred Eighty-Nine

Basics

Value: 71988 → 71989 → 71990

Parity: odd

Prime: No

Previous Prime: 71987

Next Prime: 71993

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 193 × 373

Divisors: 1, 193, 373, 71989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100100110101

Octal: 214465

Duodecimal: 357B1

Hexadecimal: 11935

Square: 5182416121

Square Root: 268.3076592272386

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

Smaller of two consecutive semiprimes which are anagrams of each other. A228135

a(n) = n-th decimal digit of the fractional part of the square root of the n-th nonsquare number (A000037). A71989