Properties of the Number 89988

Eighty-Nine Thousand Nine Hundred Eighty-Eight

Basics

Value: 89987 → 89988 → 89989

Parity: even

Prime: No

Previous Prime: 89983

Next Prime: 89989

Digit Sum: 42

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7499

Divisors: 1, 2, 3, 4, 6, 12, 7499, 14998, 22497, 29996

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111110000100

Octal: 257604

Duodecimal: 440B0

Hexadecimal: 15f84

Square: 8097840144

Square Root: 299.9799993332889

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

Total sum of odd parts in all partitions of n. A66967

Numbers whose smallest decimal digit is 8. A284069

a(0)=0: a(n)=A002865(2·n)+A002865(2·n+1), n>=1. A182844

a(n) = 144·n² - 12. A158543

a(n) = smallest multiple of 4 with sum of digits = n. A77489

Number of (n+4)X6 0..2 matrices with each 5X5 subblock idempotent. A224619

T(n,k)=Number of (n+4)X(k+4) 0..2 matrices with each 5X5 subblock idempotent. A224625

G.f.: ∑_n>=0 (x^2·n-1 + 1)ⁿ * xⁿ / (1 + x^2·n+1)ⁿ⁺¹, an even function. A326602

Possible differences of n²*(n+1)/2. A89988