Properties of the Number 87465

Eighty-Seven Thousand Four Hundred Sixty-Five

Basics

Value: 87464 → 87465 → 87466

Parity: odd

Prime: No

Previous Prime: 87443

Next Prime: 87473

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 7 ³ × 17

Divisors: 1, 3, 5, 7, 15, 17, 21, 35, 49, 51

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010110101001

Octal: 252651

Duodecimal: 42749

Hexadecimal: 155a9

Square: 7650126225

Square Root: 295.7448224398865

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

Fifth column of the (1,4)-Pascal triangle A095666. A95667

Triangle read by rows, coefficients of a family of orthogonal polynomials, T(n, k) for 0 <= k <= n. A321966

Quasiperfect cototient numbers: numbers k such that the sum of the iterated cototient function of k is equal to k+1. A333103

Rank array R of 3/2 read by antidiagonals; this array is the dispersion of the complement of the sequence given by r(n) = r(n-1) + 1 + floor(3n/2) for n>=1, with r(0) = 1; that is, A077043(n+1). A87465

Binomial coefficients C(2·n+7,7). A53136