Properties of the Number 98989

Ninety-Eight Thousand Nine Hundred Eighty-Nine

Basics

Value: 98988 → 98989 → 98990

Parity: odd

Prime: No

Previous Prime: 98981

Next Prime: 98993

Digit Sum: 43

Digital Root: 7

Palindrome: Yes

Factorization: 11 × 8999

Divisors: 1, 11, 8999, 98989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001010101101

Octal: 301255

Duodecimal: 49351

Hexadecimal: 182ad

Square: 9798822121

Square Root: 314.6251738179893

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

Number of quadrilateral regions in a "frame" of size n X n (see Comments in A331776 for definition), divided by 8. A332596

Positive numbers k such that -k, -(k + 1), -(k + 2), and -(k + 3) are 4 consecutive negative negabinary-Niven numbers (A331728). A331825

Numbers k such that k and k² use only the digits 1, 2, 7, 8 and 9. A137018

a(n) is n in binary rendered as a base-10 number minus n in ternary rendered as a base-10 number. A347111

Largest number <= n with alternating parities of digits in decimal representation. A228722

Decimal expansion of γ + 1/γ, where γ is Euler-Mascheroni constant. A98989