Properties of the Number 89964

Eighty-Nine Thousand Nine Hundred Sixty-Four

Basics

Value: 89963 → 89964 → 89965

Parity: even

Prime: No

Previous Prime: 89963

Next Prime: 89977

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 7 ² × 17

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111101101100

Octal: 257554

Duodecimal: 44090

Hexadecimal: 15f6c

Square: 8093521296

Square Root: 299.9399939987997

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

Composite numbers k such that k - φ(k) divides σ(k) - k. A68418

Nonsquare numbers whose sum of proper square divisors is a square greater than 1. A232555

Numbers whose sum of proper square divisors is a square greater than 1. A232556

a(n) = 10·n³ - 6·n². A6592

Nonprime numbers k such that k | sigma₃(k) + φ(k)³. A55970

Integer quotient defining A068418 is 3. A69737

Number of partitions of 2n in which both odd parts and parts that are multiples of 3 occur with even multiplicities. There is no restriction on the other even parts. A101230

Number of spanning trees in S₄ X P_n. A3755

Composite n such that n reduced mod(φ(n)) = σ(n) reduced mod(n). A68495

A triangular sequence of coefficients from a three level exponential expansion function: f(x,t) = log(1 + t)*(1 - t)*exp(x*(t - t²)). A137455