Properties of the Number 1425

One Thousand Four Hundred Twenty-Five

Basics

Value: 1424 → 1425 → 1426

Parity: odd

Prime: No

Previous Prime: 1423

Next Prime: 1427

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 19

Divisors: 1, 3, 5, 15, 19, 25, 57, 75, 95, 285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010001

Octal: 2621

Duodecimal: 9A9

Hexadecimal: 591

Square: 2030625

Square Root: 37.749172176353746

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

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Number of partitions of n into at least two distinct parts. A111133

a(n) = n*(4·n-1). A33991

Number of partitions of n into at most 4 parts. A1400

Generalized 14-gonal numbers: m*(6·m-5), m = 0,+1,-1,+2,-2,+3,-3,... A195818

a(n) = (3·n² - n - 2)/2. A115067

Even triangular numbers halved. A74378

The main column of a version of the square spiral. A156859

a(n) = n*(n + 7)/2. A55999

Number of strict integer partitions of 2·n with no subset summing to n. A321142