Properties of the Number 98688

Ninety-Eight Thousand Six Hundred Eighty-Eight

Basics

Value: 98687 → 98688 → 98689

Parity: even

Prime: No

Previous Prime: 98669

Next Prime: 98689

Digit Sum: 39

Digital Root: 3

Palindrome: No

Factorization: 2 ⁷ × 3 × 257

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000000110000000

Octal: 300600

Duodecimal: 49140

Hexadecimal: 18180

Square: 9739321344

Square Root: 314.14646265714975

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

Numbers m such that φ(m) = τ(m)³. A68559

Numbers with multiplicative persistence value 7. A46516

G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x·A(x³))). A367691

"BIK" (reversible, indistinct, unlabeled) transform of 3,3,3,3... A32125

Number of binary strings of length n with equal numbers of 00011 and 00101 substrings. A164229

Composite numbers whose multiplicative persistence is 7. A199997

Not appropriate for the OEIS. A248691

XOR difference triangle of the powers of 2, read by rows; Square array A(row,col): A(0,col) = 2^col, A(row,col) = A048724(A(row-1, col)) for row > 0, read by descending antidiagonals. A99884

G.f. satisfies: A(x) = 1 + x*∑_n>=0 (A(x)⁴ - 1)ⁿ. A192947

G.f. A(x) satisfies: 0 = ∑_n>=1 (n·x - A(x))ⁿ, with A(0) = 0, A'(0) = 1. A305599