Properties of the Number 1895

One Thousand Eight Hundred Ninety-Five

Basics

Value: 1894 → 1895 → 1896

Parity: odd

Prime: No

Previous Prime: 1889

Next Prime: 1901

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 379

Divisors: 1, 5, 379, 1895

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11101100111

Octal: 3547

Duodecimal: 111B

Hexadecimal: 767

Square: 3591025

Square Root: 43.53159771935783

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

Moebius transform of A064987, n*σ(n). A69097

A B₂ sequence: a(n) is the least value such that sequence increases and pairwise sums of elements are all distinct. A25582

a(n) = n² + n + 3. A27688

Number of ways to split a strict integer partition of n into consecutive subsequences with strictly decreasing sums. A318684

Number of integer partitions of n whose sum of primes of parts is divisible by n. A331379

Starts of runs of 3 consecutive Gray-code Niven numbers (A344341). A344343

T(n,k)=Number of 0..2 arrays of length n+2·k-1 with sum no more than 2·k in any length 2k subsequence (=50% duty cycle). A212232

Odd interprimes not divisible by 3. A72573

Stern-Jacobsthal numbers. A101624

T(n,k)=Number of length n+3 0..k arrays with no consecutive four elements summing to more than 2·k. A241964