Properties of the Number -102515

One Hundred Two Thousand Five Hundred Fifteen

Basics

Value: -102516 → -102515 → -102514

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 29 × 101

Divisors: 1, 5, 7, 29, 35, 101, 145, 203, 505, 707

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: -11001000001110011

Octal: -310163

Duodecimal: -4B3AB

Hexadecimal: -19073

Square: 10509325225

Square Root: 320.1796370789373

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) = n*(n + 1)*(n + 2)*(3·n + 17)/24. A241765

Numbers n, written in base 8, with the property that if the base-8 representation of n is read backwards, the result is 5·n. A223089

Repeatedly convert from decimal to octal. A8558

Positive numbers k such that k and 5·k are anagrams in base 8 (written in base 8). A23076