Properties of the Number 89981

Eighty-Nine Thousand Nine Hundred Eighty-One

Basics

Value: 89980 → 89981 → 89982

Parity: odd

Prime: No

Previous Prime: 89977

Next Prime: 89983

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 17 × 67 × 79

Divisors: 1, 17, 67, 79, 1139, 1343, 5293, 89981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111101111101

Octal: 257575

Duodecimal: 440A5

Hexadecimal: 15f7d

Square: 8096580361

Square Root: 299.9683316618606

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

Truncated square pyramid numbers: a(n) = ∑_{k = n..2·n-1} k². A50410

Numbers k such that there is more than one possible solution for A367338(k). A367346

a(n) = T(n, 2·n-7), T given by A027926. A27930

Primes whose decimal representation also represents a prime in base 3. A89981