Properties of the Number -102487

One Hundred Two Thousand Four Hundred Eighty-Seven

Basics

Value: -102488 → -102487 → -102486

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 11 ⁴

Divisors: 1, 7, 11, 77, 121, 847, 1331, 9317, 14641, 102487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001000001010111

Octal: -310127

Duodecimal: -4B387

Hexadecimal: -19057

Square: 10503585169

Square Root: 320.13590863881547

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 of the form 7ⁱ*11^j. A3599

Numbers n such that n does not divide the denominator of the n-th harmonic number nor the denominator of the n-th alternating harmonic number. A125581

Numbers k = p1^e1*p2^e2, with e1 ≠ e2, such that the Euclidean distance between points (p1, e1) and (p2, e2) is an integer. A387172

Largest proper divisor of A324886(n). A324896

a(n) is the first occurrence of n in A334200. A334199

a(n) is the smallest number k in the sorted sequence S(q) = {k : rad(k) = q}, q = A120944(n), such that τ(k) - A008479(k) is not positive, where rad = A007947 and τ = A000005. A373737

Numbers n such that n | 12ⁿ + 11ⁿ + 10ⁿ + 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ + 5ⁿ + 4ⁿ + 3ⁿ + 2ⁿ. A57290