Properties of the Number -75855

Seventy-Five Thousand Eight Hundred Fifty-Five

Basics

Value: -75856 → -75855 → -75854

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 389

Divisors: 1, 3, 5, 13, 15, 39, 65, 195, 389, 1167

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010100001001111

Octal: -224117

Duodecimal: -37A93

Hexadecimal: -1284f

Square: 5753981025

Square Root: 275.41786434434493

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) = 9ⁿ + 7ⁿ - 1. A155656

Odd triangular numbers with prime indices. A34954

Triangular numbers composed of digits {5,7,8}. A119224

Triangular numbers p*(p+1)/2 with p prime such that 1+(number of prime factors of p+1) is prime. A144549

a(n) = 1·3*5 + 3·5*7 + 5·7*9 + ... (n terms). A196506

Number of unordered pairs of distinct strict integer partitions of n. A366132

Hexagonal numbers that are products of exactly four distinct primes. A381920