Properties of the Number -102501

One Hundred Two Thousand Five Hundred One

Basics

Value: -102502 → -102501 → -102500

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1627

Divisors: 1, 3, 7, 9, 21, 63, 1627, 4881, 11389, 14643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11001000001100101

Octal: -310145

Duodecimal: -4B399

Hexadecimal: -19065

Square: 10506455001

Square Root: 320.15777360545223

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

a(n) = (1/n²) * ∑_k=0..n-1 (2k+1)*S(k,n)², where S(k,x) denotes the polynomial ∑_j=0..k binomial(k,j)*binomial(x,j)*binomial(x+j,j). A260667

Number of days after Jan 01 1000 such that the date written in the ISO-8601-format YYYYMMDD is palindromic. A210883

Numerators of coefficients of zⁿ for the expansion of Fricke's hypergeometric function F₁(1/2,1/2;z). A274655

Vertically symmetrical dates MMDDYY ("condensed American notation") considered as numbers, in increasing order. A107274

a(n) = 5ⁿ*∑_i=1..n i⁵/5ⁱ. A218376