Properties of the Number 695

Six Hundred Ninety-Five

Basics

Value: 694 → 695 → 696

Parity: odd

Prime: No

Previous Prime: 691

Next Prime: 701

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 139

Divisors: 1, 5, 139, 695

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110111

Octal: 1267

Duodecimal: 49B

Hexadecimal: 2b7

Square: 483025

Square Root: 26.362852652928137

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

Toothpick sequence (see Comments lines for definition). A139250

Expansion of ∏_m>=1 (1 + m·q^m). A22629

Numbers m such that the Bernoulli number B_2·m has denominator 66. A51229

Numbers whose sum of digits is 20. A235229

Multiples of 5 whose GCD with 6 is 1. A84967

a(n) = -1 + ∑_i=1..n φ(i). A15614

A000120-perfect numbers. A175522

a(n) = 24·n - 1. A183010

Numbers k whose largest divisor <= sqrt(k) is 5. A161835

a(n) = minimal positive k such that the concatenation of the decimal digits of n,n+1,...,n+k is divisible by n+k+1, or -1 if no such k exists. A332580